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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
 <title>Changelog</title>
 <link rel="stylesheet" type="text/css" media="all" href="../css/style.css" />
 <link rel="stylesheet" type="text/css" media="screen" href="../css/screen-sidebar.css" />
 <!--[if lt IE 9]>
 <link rel="stylesheet" type="text/css" media="all" href="../css/style-ie.css" />
 <![endif]-->
 <!--[if IE 6]>
 <link rel="stylesheet" type="text/css" media="all" href="../css/style-ie6.css" />
 <![endif]-->
 <link rel="stylesheet" type="text/css" media="print" href="../css/print.css" />
</head>
<body>
 <div id="fixed-layer">
 <div id="fixed-wrapper">
 <div id="sidebar">
  <div id="top-links"><span><a href="http://bitbucket.org/fparsec/main">FParsec @ BitBucket</a> | <a href="https://bitbucket.org/fparsec/main/issues">Report a bug</a> | <a href="mailto:fparsec [at] quanttec.com?subject=FParsec&amp;body=Hello Stephan,%0A%0A[your feedback]">Feedback</a></span></div>
  <div id="nav-tree">
   <table class="nav n1">
    <tbody class="nav-open n1">
     <tr class="nav-entry n1 _1">
      <td class="nav-number n1"></td>
      <td class="nav-title n1"><a href="../index.html">FParsec Documentation</a></td>
     </tr>
     <tr class="nav-subentries n1 _1">
      <td class="nav-subentries-number n1"></td>
      <td class="nav-subentries n1">
       <table class="nav n2">
        <tbody class="nav-open n2">
         <tr class="nav-entry n2 _1">
          <td class="nav-number n2"><a href="index.html"><span class="section-number">1</span><span class="nav-space"></span></a></td>
          <td class="nav-title n2"><a href="index.html">About FParsec</a></td>
         </tr>
         <tr class="nav-subentries n2 _1">
          <td class="nav-subentries-number n2"></td>
          <td class="nav-subentries n2">
           <table class="nav n3">
            <tbody class="nav-before-open n3">
             <tr class="nav-entry n3 _1">
              <td class="nav-number n3">
               <a href="fparsec-vs-alternatives.html"><span class="section-number">1</span><span class="nav-space"></span></a>
              </td>
              <td class="nav-title n3"><a href="fparsec-vs-alternatives.html">FParsec vs alternatives</a></td>
             </tr>
             <tr class="nav-entry n3 _2">
              <td class="nav-number n3">
               <a href="status-and-roadmap.html"><span class="section-number">2</span><span class="nav-space"></span></a>
              </td>
              <td class="nav-title n3"><a href="status-and-roadmap.html">Status and roadmap</a></td>
             </tr>
            </tbody>
            <tbody class="nav-open selected n3">
             <tr class="nav-entry selected n3 _3">
              <td class="nav-number selected n3"><a href="#"><span class="section-number">3</span><span class="nav-space"></span></a></td>
              <td class="nav-title selected n3"><a href="#">Changelog</a></td>
             </tr>
             <tr class="nav-subentries selected n3 _3">
              <td class="nav-subentries-number selected n3"></td>
              <td class="nav-subentries selected n3">
               <table class="nav n4">
                <tbody class="nav-before-open n4">
                 <tr class="nav-entry n4 _1">
                  <td class="nav-number n4"></td>
                  <td class="nav-title n4"><a href="#v0_9_2">Version 0.9.2, 2012‒03‒09</a></td>
                 </tr>
                 <tr class="nav-entry n4 _2">
                  <td class="nav-number n4"></td>
                  <td class="nav-title n4"><a href="#v0_9_1">Version 0.9.1, 2011‒05‒22</a></td>
                 </tr>
                 <tr class="nav-entry n4 _3">
                  <td class="nav-number n4"></td>
                  <td class="nav-title n4"><a href="#v0_9">Version 0.9.0, 2011‒04‒26</a></td>
                 </tr>
                 <tr class="nav-entry n4 _4">
                  <td class="nav-number n4"></td>
                  <td class="nav-title n4"><a href="#v0_8_x">Version 0.8.x, no release</a></td>
                 </tr>
                 <tr class="nav-entry n4 _5">
                  <td class="nav-number n4"></td>
                  <td class="nav-title n4"><a href="#v0_7_3_1">Version 0.7.3.1, 2009‒02‒26</a></td>
                 </tr>
                 <tr class="nav-entry n4 _6">
                  <td class="nav-number n4"></td>
                  <td class="nav-title n4"><a href="#v0_7_3">Version 0.7.3, 2008‒12‒08</a></td>
                 </tr>
                 <tr class="nav-entry n4 _7">
                  <td class="nav-number n4"></td>
                  <td class="nav-title n4"><a href="#v0_7_2">Version 0.7.2, 2008‒11‒17</a></td>
                 </tr>
                 <tr class="nav-entry n4 _8">
                  <td class="nav-number n4"></td>
                  <td class="nav-title n4"><a href="#v0_7_1">Version 0.7.1, 2008‒09‒29</a></td>
                 </tr>
                 <tr class="nav-entry n4 _9">
                  <td class="nav-number n4"></td>
                  <td class="nav-title n4"><a href="#v0_7_0_1">Version 0.7.0.1, 2008‒09‒23</a></td>
                 </tr>
                 <tr class="nav-entry n4 _0">
                  <td class="nav-number n4"></td>
                  <td class="nav-title n4"><a href="#v0_7">Version 0.7.0, 2008‒09‒13</a></td>
                 </tr>
                 <tr class="nav-entry n4 _1">
                  <td class="nav-number n4"></td>
                  <td class="nav-title n4"><a href="#v0_6">Version 0.6.0, 2008‒05‒20</a></td>
                 </tr>
                 <tr class="nav-entry n4 _2">
                  <td class="nav-number n4"></td>
                  <td class="nav-title n4"><a href="#v0_5_1">Version 0.5.1, 2008‒01‒20</a></td>
                 </tr>
                 <tr class="nav-entry n4 _3">
                  <td class="nav-number n4"></td>
                  <td class="nav-title n4"><a href="#v0_5">Version 0.5.0, 2008‒01‒15</a></td>
                 </tr>
                 <tr class="nav-entry n4 _4">
                  <td class="nav-number n4"></td>
                  <td class="nav-title n4"><a href="#v0_4_4">Version 0.4.4, 2008‒01‒13</a></td>
                 </tr>
                 <tr class="nav-entry n4 _5">
                  <td class="nav-number n4"></td>
                  <td class="nav-title n4"><a href="#v0_4_3">Version 0.4.3, 2008‒01‒12</a></td>
                 </tr>
                 <tr class="nav-entry n4 _6">
                  <td class="nav-number n4"></td>
                  <td class="nav-title n4"><a href="#v0_4_2">Version 0.4.2, 2008‒01‒04</a></td>
                 </tr>
                 <tr class="nav-entry n4 _7">
                  <td class="nav-number n4"></td>
                  <td class="nav-title n4"><a href="#v0_4_1">Version 0.4.1, 2008‒01‒02</a></td>
                 </tr>
                 <tr class="nav-entry n4 _8">
                  <td class="nav-number n4"></td>
                  <td class="nav-title n4"><a href="#v0_4">Version 0.4.0, 2007‒12‒30</a></td>
                 </tr>
                </tbody>
               </table>
              </td>
             </tr>
            </tbody>
            <tbody class="nav-after-open n3">
             <tr class="nav-entry n3 _4">
              <td class="nav-number n3"><a href="contact.html"><span class="section-number">4</span><span class="nav-space"></span></a></td>
              <td class="nav-title n3"><a href="contact.html">Contact</a></td>
             </tr>
            </tbody>
           </table>
          </td>
         </tr>
        </tbody>
        <tbody class="nav-after-open n2">
         <tr class="nav-entry n2 _2">
          <td class="nav-number n2"><a href="../license.html"><span class="section-number">2</span><span class="nav-space"></span></a></td>
          <td class="nav-title n2"><a href="../license.html">License</a></td>
         </tr>
         <tr class="nav-entry n2 _3">
          <td class="nav-number n2">
           <a href="../download-and-installation.html"><span class="section-number">3</span><span class="nav-space"></span></a>
          </td>
          <td class="nav-title n2"><a href="../download-and-installation.html">Download and installation</a></td>
         </tr>
         <tr class="nav-entry n2 _4">
          <td class="nav-number n2"><a href="../tutorial.html"><span class="section-number">4</span><span class="nav-space"></span></a></td>
          <td class="nav-title n2"><a href="../tutorial.html">Tutorial</a></td>
         </tr>
         <tr class="nav-entry n2 _5">
          <td class="nav-number n2"><a href="../users-guide/index.html"><span class="section-number">5</span><span class="nav-space"></span></a></td>
          <td class="nav-title n2"><a href="../users-guide/index.html">User’s Guide</a></td>
         </tr>
         <tr class="nav-entry n2 _6">
          <td class="nav-number n2"><a href="../reference/index.html"><span class="section-number">6</span><span class="nav-space"></span></a></td>
          <td class="nav-title n2"><a href="../reference/index.html">Reference</a></td>
         </tr>
        </tbody>
       </table>
      </td>
     </tr>
    </tbody>
   </table>
  </div>
  <div id="copyright">
    <span>Copyright © 2012 <a href="../about/contact.html">Stephan Tolksdorf</a></span>
  </div>
 </div>
 </div>
 </div>
 <div id="wrapper">
 <div id="main">
 <div id="main-content">
 <div id="breadcrumbs">
  <span class="breadcrumbs">
   <span id="breadcrumbs-parents"><a href="../index.html">FParsec Documentation</a><span class="breadcrumbs-sep"> > </span><a href="index.html">About FParsec</a></span><span class="breadcrumbs-sep"> > </span>Changelog
  </span>
 </div>
 <div class="section s2">
  <h1 class="title h2"><span>Changelog</span></h1>
  <div id="v0_9_2" class="section s3">
   <h2 class="title h3"><span>Version 0.9.2, 2012‒03‒09</span></h2>
   <div class="intro i3">
    <div class="para _1 lcinp">
     <ul class="l1">
      <li class="_1">fix compilation in Visual Studio 11 Beta</li>
      <li class="_2">
       added missing <code class="fsharp"><span class="ci">ReturnFrom</span></code> member to <code class="fsharp"><a
       href="../reference/primitives.html#members.parse"><span class="ci">parse</span></a></code> builder object (reported by Kurt Schelfthout and
       Tomas Petricek – thanks Kurt and Tomas!)
      </li>
      <li class="_3">
       added workaround for .NET <code class="fsharp"><span class="ci">ConsoleStream</span></code> <a
       href="https://bitbucket.org/fparsec/main/issue/23/reading-from-systemio__consolestream-hangs">issue</a> (reported by Alexander Kahl – thanks
       Alexander!)
      </li>
      <li class="_4">
       set <code class="fsharp"><span class="ci">AllowPartiallyTrustedCallers</span></code> and <code class="fsharp"><span
       class="ci">SecurityTransparent</span></code> assembly attributes in LOW_TRUST NET4 build (as suggested by hammett – thanks hammett!)
      </li>
      <li class="_5">
       changed encoding of <span class="tt">FParsecCS/Strings.cs</span> to UTF‐8 (with signature) to fix Visual Studio build on machines with Japanese
       locale (the encoding issue was reported on <a href="http://d.hatena.ne.jp/ZOETROPE">http://d.hatena.ne.jp/ZOETROPE</a> – thank you!)
      </li>
      <li class="_6">
       fixed some documentation issues (incorporating feedback from Alexander Gelkin, Antoine Latter and Stephen Swensen – thanks Alexander, Antoine
       and Stephen!)
      </li>
      <li class="_7">
       add link to the <a href="http://blog.livedoor.jp/gab_km/archives/1437534.html">Japanese translation of the tutorial</a> by Gab_km (thanks
       Gab_km!)
      </li>
     </ul>
    </div>
   </div>
  </div>
  <div id="v0_9_1" class="section s3">
   <h2 class="title h3"><span>Version 0.9.1, 2011‒05‒22</span></h2>
   <div class="intro i3">
    <div class="para _1 lcinp">
     <ul class="l1">
      <li class="_1">
       added <span class="tt">/nooptimizationdata</span> compiler flag as a workaround for an F# comiler <a
       href="https://bitbucket.org/fparsec/main/issue/16/fparsec-needs-nooptimizationdata-to-avoid">issue</a> (reported by Michael Giagnocavo – thanks
       Michael!)
      </li>
      <li class="_2">
       fixed an <a href="https://bitbucket.org/fparsec/main/issue/17/json-parser-fails-to-build">issue</a> in the JSON sample (reported by Ryan Riley
       – thanks Ryan!)
      </li>
      <li class="_3">
       fixed the error message formatting when an error line contains unaccounted newlines or ends with a combining character sequence
      </li>
      <li class="_4">
       added warning to <a href="../download-and-installation.html#building-fparsec-with-mono">installation notes</a> that the <code class="fsharp"><a
       href="../reference/charparsers.html#members.regex"><span class="ci">regex</span></a></code> parser doesn’t work on Mono (reported by Laurent Le
       Brun – thanks Laurent!)
      </li>
      <li class="_5">fixed some documentation issues (one of which was reported by Michael Giagnocavo – thanks Michael!)</li>
     </ul>
    </div>
   </div>
  </div>
  <div id="v0_9" class="section s3">
   <h2 class="title h3"><span>Version 0.9.0, 2011‒04‒26</span></h2>
   <div class="intro i3">
    <div class="para _1 lcinp">
     <ul class="l1">
      <li class="_1"><a href="#v0_9.highlights">Highlights</a></li>
      <li class="_2"><a href="#v0_9.changes-to-high-level-api">Changes to high‐level API</a></li>
      <li class="_3">
       <a href="#v0_9.removed-variants-of-many-sepby-sependby-and-manytill">Removed variants of <code class="fsharp"><span
       class="ci">many</span></code>, <code class="fsharp"><span class="ci">sepBy</span></code>, <code class="fsharp"><span
       class="ci">sepEndBy</span></code> and <code class="fsharp"><span class="ci">manyTill</span></code></a>
      </li>
      <li class="_4">
       <a href="#v0_9.details-on-changes-to-manychars-manycharstill-and-their-variants">Details on changes to <code class="fsharp"><span
       class="ci">manyChars</span></code>, <code class="fsharp"><span class="ci">manyCharsTill</span></code> and their variants</a>
      </li>
      <li class="_5"><a href="#v0_9.changes-to-low-level-api">Changes to low‐level API</a></li>
      <li class="_6"><a href="#v0_9.background-on-low-level-api-changes">Background on low‐level API changes</a></li>
     </ul>
    </div>
    <div class="para _2 lcinp">
     <div class="dl multi-para">
      <dl class="dl multi-para">
       <dt class="_1"><span class="a" id="v0_9.highlights">Highlights</span></dt>
       <dd class="_1">
        <div class="para _1 lcinp">
         <ul class="l1">
          <li class="_1">a new <a href="../tutorial.html">tutorial</a> and <a href="../users-guide/index.html">user’s guide</a></li>
          <li class="_2">2x performance improvements due to a refactored low‐level API</li>
          <li class="_3">
           new <code class="fsharp"><a href="../reference/charparsers.html#members.identifier"><span class="ci">identifier</span></a></code> parser
           for parsing identifiers based on Unicode XID syntax
          </li>
          <li class="_4">
           new <code class="fsharp"><a href="../reference/staticmapping.html"><span class="ci">StaticMapping</span></a></code> module for compiling
           static key to value mappings into optimized functions (supports <code class="fsharp"><span class="ci">char</span></code>, <code
           class="fsharp"><span class="ci">int</span></code> and <code class="fsharp"><span class="ci">string</span></code> as key types)
          </li>
         </ul>
        </div>
       </dd>
       <dt class="_2"><span class="a" id="v0_9.changes-to-high-level-api">Changes to high‐level API</span></dt>
       <dd class="_2">
        <div class="para _1 lcinp">
         <ul class="l1">
          <li class="_1">
           the modules <code class="fsharp"><span class="ci">FParsed</span><span class="cm">.</span><a href="../reference/primitives.html"><span
           class="ci">Primitives</span></a></code>, <code class="fsharp"><a href="../reference/charparsers.html"><span class="ci">FParsec</span><span
           class="cm">.</span><span class="ci">CharParsers</span></a></code> and <code class="fsharp"><a href="../reference/error.html"><span
           class="ci">FParsec</span><span class="cm">.</span><span class="ci">Error</span></a></code> are now automatically opened when the <code
           class="fsharp"><span class="ci">FParsec</span></code> namespace is opened
          </li>
          <li class="_2">
           new combinators <code class="fsharp"><a href="../reference/primitives.html#members...:62::62:.."><span
           class="co">.&gt;&gt;.</span></a></code>, <code class="fsharp"><a href="../reference/primitives.html#members...:62::62:..:63:"><span
           class="co">.&gt;&gt;.?</span></a></code>, <code class="fsharp"><a href="../reference/primitives.html#members.notEmpty"><span
           class="ci">notEmpty</span></a></code>, <code class="fsharp"><a href="../reference/charparsers.html#members.stringsSepBy"><span
           class="ci">stringsSepBy</span></a></code>
          </li>
          <li class="_3">
           new parsers <code class="fsharp"><a href="../reference/charparsers.html#members.identifier"><span class="ci">identifier</span></a></code>,
           <code class="fsharp"><a href="../reference/charparsers.html#interface.unicodeSpaces-parsers"><span class="ci">unicodeSpaces</span><span
           class="cp">[</span><span class="cn">1</span><span class="cp">]</span></a></code>, <code class="fsharp"><a
           href="../reference/charparsers.html#members.notFollowedByEof"><span class="ci">notFollowedByEof</span></a></code>
          </li>
          <li class="_4">
           <code class="fsharp"><span class="ci">whitespace</span></code> and <code class="fsharp"><span class="ci">unicodeWhitespace</span></code>
           has been removed
          </li>
          <li class="_5">
           <code class="fsharp"><a href="../reference/charparsers.html#members.unicodeNewline"><span class="ci">unicodeNewline</span></a></code> no
           longer recognizes the form feed char <code class="fsharp"><span class="cc"><span class="cld">'</span><span class="ce">\f</span><span
           class="crd">'</span></span></code> (<code class="fsharp"><span class="cc"><span class="cld">'</span><span class="ce">\u000C</span><span
           class="crd">'</span></span></code>) as a newline character
          </li>
          <li class="_6">
           some variants of <code class="fsharp"><a href="../reference/primitives.html#members.many"><span class="ci">many</span></a></code>, <code
           class="fsharp"><a href="../reference/primitives.html#members.sepBy"><span class="ci">sepBy</span></a></code>, <code class="fsharp"><a
           href="../reference/primitives.html#members.sepEndBy"><span class="ci">sepEndBy</span></a></code>and <code class="fsharp"><a
           href="../reference/primitives.html#members.manyTill"><span class="ci">manyTill</span></a></code> <a
           href="#v0_9.removed-variants-of-many-sepby-sependby-and-manytill">have been removed</a>
          </li>
          <li class="_7">
           the <code class="fsharp"><span class="co">...</span><span class="ci">FoldApply</span></code> inline variants of <code class="fsharp"><a
           href="../reference/primitives.html#members.many"><span class="ci">many</span></a></code>, <code class="fsharp"><a
           href="../reference/primitives.html#members.sepBy"><span class="ci">sepBy</span></a></code>, <code class="fsharp"><a
           href="../reference/primitives.html#members.sepEndBy"><span class="ci">sepEndBy</span></a></code> and <code class="fsharp"><a
           href="../reference/primitives.html#members.manyTill"><span class="ci">manyTill</span></a></code> have been consolidated in the <code
           class="fsharp"><a href="../reference/primitives.html#members.Inline"><span class="ci">FParsec</span><span class="cm">.</span><span
           class="ci">Primitives</span><span class="cm">.</span><span class="ci">Inline</span></a></code> helper class
          </li>
          <li class="_8">
           sequence parsers now throw a <code class="fsharp"><span class="ci">System</span><span class="cm">.</span><span
           class="ci">InvalidOperationException</span></code> instead of a <code class="fsharp"><span class="ci">System</span><span
           class="cm">.</span><span class="ci">Exception</span></code> to prevent an infinite loop
          </li>
          <li class="_9">
           <code class="fsharp"><a href="../reference/charparsers.html#members.anyOf"><span class="ci">anyOf</span></a></code>, <code
           class="fsharp"><a href="../reference/charparsers.html#members.noneOf"><span class="ci">noneOf</span></a></code>, <code class="fsharp"><a
           href="../reference/charparsers.html#members.isAnyOf"><span class="ci">isAnyOf</span></a></code> and <code class="fsharp"><a
           href="../reference/charparsers.html#members.isNoneOf"><span class="ci">isNoneOf</span></a></code> now use runtime code generation (except
           in the <a href="../download-and-installation.html#low-trust-version">Low‐Trust version</a>). <em>If you run into performance issues after
           upgrading to version 0.9</em>, make sure that you don’t unnecessarily recreate <code class="fsharp"><a
           href="../reference/charparsers.html#members.anyOf"><span class="ci">anyOf</span></a></code> or <code class="fsharp"><a
           href="../reference/charparsers.html#members.noneOf"><span class="ci">noneOf</span></a></code> parsers, see <a
           href="../users-guide/performance-optimizations.html#performance-guidelines.construct-parsers-once">here</a> and <a
           href="../users-guide/where-is-the-monad.html#why-the-monadic-syntax-is-slow">here</a>.
          </li>
          <li class="_0">
           <code class="fsharp"><a href="../reference/charparsers.html#members.pstring"><span class="ci">pstring</span></a></code>, <code
           class="fsharp"><a href="../reference/charparsers.html#members.notFollowedByString"><span class="ci">notFollowedByString</span></a></code>
           and similar parsers now have optimized code paths for argument strings with only 1 char
          </li>
          <li class="_1">
           the behaviour of <code class="fsharp"><a href="../reference/charparsers.html#members.manyChars"><span
           class="ci">manyChars</span></a></code> and <code class="fsharp"><a href="../reference/charparsers.html#members.manyCharsTill"><span
           class="ci">manyCharsTill</span></a></code> and their variants <a
           href="#v0_9.details-on-changes-to-manychars-manycharstill-and-their-variants">has slightly changed</a>
          </li>
          <li class="_2">
           the skip variants of <code class="fsharp"><a href="../reference/charparsers.html#members.manyChars"><span
           class="ci">manyChars</span></a></code> and <code class="fsharp"><a href="../reference/charparsers.html#members.manyCharsTill"><span
           class="ci">manyCharsTill</span></a></code> <a href="#v0_9.removed-skip-variants-of-manyChars">have been removed</a>
          </li>
          <li class="_3">
           <p>Some renamings and function signature changes:</p>
           <div id="v0_9.renamings" class="table">
            <table cellspacing="0">
             <caption><span class="table-caption-prefix">Table <span class="table-number">1.3.3.1</span></span></caption>
             <thead>
              <tr class="_1">
               <th class="_1">Old</th>
               <th class="_2">New</th>
              </tr>
             </thead>
             <tbody>
              <tr class="_1">
               <td class="_1"><code class="fsharp"><span class="ci">restOfLine</span></code></td>
               <td class="_2">
                <code class="fsharp"><a href="../reference/charparsers.html#members.restOfLine"><span class="ci">restOfLine</span></a> <span
                class="cb">true</span></code>
               </td>
              </tr>
              <tr class="_2">
               <td class="_1"><code class="fsharp"><span class="ci">skipRestOfLine</span></code></td>
               <td class="_2">
                <code class="fsharp"><a href="../reference/charparsers.html#members.skipRestOfLine"><span class="ci">skipRestOfLine</span></a> <span
                class="cb">true</span></code>
               </td>
              </tr>
              <tr class="_3">
               <td class="_1"><code class="fsharp"><span class="ci">skipToEndOfLine</span></code></td>
               <td class="_2">
                <code class="fsharp"><a href="../reference/charparsers.html#members.skipRestOfLine"><span class="ci">skipRestOfLine</span></a> <span
                class="cb">false</span></code>
               </td>
              </tr>
              <tr class="_4">
               <td class="_1">
                <code class="fsharp"><span class="ci">skipToString</span><span class="cp">[</span><span class="ci">CI</span><span
                class="cp">]</span> <span class="ci">str</span> <span class="ci">n</span></code>
               </td>
               <td class="_2">
                <code class="fsharp"><a href="../reference/charparsers.html#members.skipCharsTillString"><span
                class="ci">skipCharsTillString</span></a><span class="cp">[</span><span class="ci">CI</span><span class="cp">]</span> <span
                class="ci">str</span> <span class="cb">false</span> <span class="ci">n</span></code>
               </td>
              </tr>
              <tr class="_5">
               <td class="_1">
                <code class="fsharp"><span class="ci">charsTillString</span><span class="cp">[</span><span class="ci">CI</span><span
                class="cp">]</span> <span class="ci">str</span> <span class="ci">n</span></code>
               </td>
               <td class="_2">
                <code class="fsharp"><a href="../reference/charparsers.html#members.charsTillString"><span class="ci">charsTillString</span></a><span
                class="cp">[</span><span class="ci">CI</span><span class="cp">]</span> <span class="ci">str</span> <span class="cb">true</span> <span
                class="ci">n</span></code>
               </td>
              </tr>
              <tr class="_6">
               <td class="_1">
                <code class="fsharp"><span class="ci">skipCharsTillString</span><span class="cp">[</span><span class="ci">CI</span><span
                class="cp">]</span> <span class="ci">str</span> <span class="ci">n</span></code>
               </td>
               <td class="_2">
                <code class="fsharp"><a href="../reference/charparsers.html#members.skipCharsTillString"><span
                class="ci">skipCharsTillString</span></a><span class="cp">[</span><span class="ci">CI</span><span class="cp">]</span> <span
                class="ci">str</span> <span class="cb">true</span> <span class="ci">n</span></code>
               </td>
              </tr>
              <tr class="_7">
               <td class="_1"><code class="fsharp"><span class="ci">followedByChar</span> <span class="ci">chr</span></code></td>
               <td class="_2">
<pre class="code fsharp"><span class="ck">if</span> <span class="ci">chr</span> <span class="co">=</span> <span class="cc"><span class="cld">'</span><span class="ce">\r</span><span class="crd">'</span></span> <span class="co">||</span> <span class="ci">chr</span> <span class="co">=</span> <span class="cc"><span class="cld">'</span><span class="ce">\n</span><span class="crd">'</span></span> <span class="ck">then</span> <a href="../reference/charparsers.html#members.followedByNewline"><span class="ci">followedByNewline</span></a>
<span class="ck">else</span> <a href="../reference/charparsers.html#members.followedByString"><span class="ci">followedByString</span></a> <span class="cp">(</span><span class="ci">string</span> <span class="ci">chr</span><span class="cp">)</span>
</pre>
               </td>
              </tr>
              <tr class="_8">
               <td class="_1"><code class="fsharp"><span class="ci">notFollowedByChar</span> <span class="ci">chr</span></code></td>
               <td class="_2">
<pre class="code fsharp"><span class="ck">if</span> <span class="ci">chr</span> <span class="co">=</span> <span class="cc"><span class="cld">'</span><span class="ce">\r</span><span class="crd">'</span></span> <span class="co">||</span> <span class="ci">chr</span> <span class="co">=</span> <span class="cc"><span class="cld">'</span><span class="ce">\n</span><span class="crd">'</span></span> <span class="ck">then</span> <a href="../reference/charparsers.html#members.notFollowedByNewline"><span class="ci">notFollowedByNewline</span></a>
<span class="ck">else</span> <a href="../reference/charparsers.html#members.notFollowedByString"><span class="ci">notFollowedByString</span></a> <span class="cp">(</span><span class="ci">string</span> <span class="ci">chr</span><span class="cp">)</span>
</pre>
               </td>
              </tr>
              <tr class="_9">
               <td class="_1"><code class="fsharp"><span class="ci">currentCharSatisfies</span> <span class="ci">f</span></code></td>
               <td class="_2">
                <code class="fsharp"><a href="../reference/charparsers.html#members.nextCharSatisfies"><span
                class="ci">nextCharSatisfies</span></a> <span class="ci">f</span></code>
               </td>
              </tr>
              <tr class="_0">
               <td class="_1"><code class="fsharp"><span class="ci">nextCharSatisfies</span> <span class="ci">f</span></code></td>
               <td class="_2">
                <code class="fsharp"><a href="../reference/charparsers.html#members.next2CharsSatisfy"><span
                class="ci">next2CharsSatisfy</span></a> <span class="cp">(</span><span class="ck">fun</span> <span class="ci">_</span> <span
                class="ci">c1</span> <span class="cr">-&gt;</span> <span class="ci">f</span> <span class="ci">c1</span><span
                class="cp">)</span></code>
               </td>
              </tr>
             </tbody>
            </table>
           </div>
          </li>
         </ul>
        </div>
        <div class="para _2 lcinp">
         <ul class="l1">
          <li class="_1">
           <p>
            <code class="fsharp"><a href="../reference/operatorprecedenceparser.html#members.OperatorPrecedenceParser"><span
            class="ci">OperatorPrecedenceParser</span></a></code> has changed:
           </p>
           <ul class="l2">
            <li class="_1">
             all types have been moved from the <code class="fsharp"><span class="ci">FParsec</span><span class="cm">.</span><span
             class="ci">OperatorPrecedenceParser</span></code> module into the main <code class="fsharp"><span class="ci">FParsec</span></code>
             namespace
            </li>
            <li class="_2">
             the operator types <code class="fsharp"><span class="ci">InfixOp</span></code>, <code class="fsharp"><span
             class="ci">PrefixOp</span></code>, … classes have been renamed to <code class="fsharp"><a
             href="../reference/operatorprecedenceparser.html#members.InfixOperator"><span class="ci">InfixOperator</span></a></code>, <code
             class="fsharp"><a href="../reference/operatorprecedenceparser.html#members.PrefixOperator"><span
             class="ci">PrefixOperator</span></a></code>, …
            </li>
            <li class="_3">
             <code class="fsharp"><span class="ci">Assoc</span></code> has been renamed to <code class="fsharp"><a
             href="../reference/operatorprecedenceparser.html#interface.Associativity"><span class="ci">Associativity</span></a></code>
            </li>
            <li class="_4">
             the &#x201C;whitespace‐parser&#x201D; argument of the operator types has been <a
             href="../reference/operatorprecedenceparser.html#members.Operator">generalized into an &#x201C;after‐string‐parser&#x201D; argument</a>
            </li>
            <li class="_5">
             if you previously used the <code class="fsharp"><span class="ci">InfixOp'</span></code>, <code class="fsharp"><span
             class="ci">PrefixOp'</span></code>, … constructors to supply a mapping that read the text position of the parsed operator from the passed
             <code class="fsharp"><span class="ci">State</span></code> instance, read <a
             href="../reference/operatorprecedenceparser.html#members.get-position-with-after-string-parser">this</a>
            </li>
            <li class="_6">
             the <code class="fsharp"><span class="ci">AddOperators</span></code> method has been removed, call <code class="fsharp"><a
             href="../reference/operatorprecedenceparser.html#members.AddOperator"><span class="ci">AddOperator</span></a></code> instead
            </li>
            <li class="_7">
             the <code class="fsharp"><a href="../reference/operatorprecedenceparser.html#members.OperatorConflictErrorFormatter"><span
             class="ci">OperatorConflictErrorFormatter</span></a></code> replaced the <code class="fsharp"><span
             class="ci">OperatorConflictHandler</span></code>
            </li>
           </ul>
          </li>
         </ul>
        </div>
       </dd>
       <dt class="_3">
        <span class="a" id="v0_9.removed-variants-of-many-sepby-sependby-and-manytill">Removed variants of <code class="fsharp"><span
        class="ci">many</span></code>, <code class="fsharp"><span class="ci">sepBy</span></code>, <code class="fsharp"><span
        class="ci">sepEndBy</span></code> and <code class="fsharp"><span class="ci">manyTill</span></code></span>
       </dt>
       <dd class="_3">
        <div class="para _1">
         <p>
          The <code class="fsharp"><span class="co">...</span><span class="ci">Rev</span></code>, <code class="fsharp"><span
          class="co">...</span><span class="ci">Fold</span></code> and <code class="fsharp"><span class="co">...</span><span
          class="ci">Reduce</span></code> variants of <code class="fsharp"><a href="../reference/primitives.html#members.many"><span
          class="ci">many</span></a></code>, <code class="fsharp"><a href="../reference/primitives.html#members.sepBy"><span
          class="ci">sepBy</span></a></code>, <code class="fsharp"><a href="../reference/primitives.html#members.sepEndBy"><span
          class="ci">sepEndBy</span></a></code>and <code class="fsharp"><a href="../reference/primitives.html#members.manyTill"><span
          class="ci">manyTill</span></a></code> have been removed.
         </p>
        </div>
        <div class="para _2 lcinp">
         <p>
          If you previously used these variants, you can easily define them in your own code using the <code class="fsharp"><a
          href="../reference/primitives.html#members.:124::62::62:"><span class="co">|&gt;&gt;</span></a></code> combinator, as documented in the
          reference documentation for the previous version. For example:
         </p>
<pre class="code fsharp"><span class="ck">let</span> <span class="ci">manyRev</span> <span class="ci">p</span> <span class="cp">=</span> <a href="../reference/primitives.html#members.many"><span class="ci">many</span></a> <span class="ci">p</span> <a href="../reference/primitives.html#members.:124::62::62:"><span class="co">|&gt;&gt;</span></a> <span class="ci">List</span><span class="cm">.</span><span class="ci">rev</span>
<span class="ck">let</span> <span class="ci">manyFold</span> <span class="ci">acc0</span> <span class="ci">f</span> <span class="ci">p</span> <span class="cp">=</span> <a href="../reference/primitives.html#members.many"><span class="ci">many</span></a> <span class="ci">p</span> <a href="../reference/primitives.html#members.:124::62::62:"><span class="co">|&gt;&gt;</span></a> <span class="ci">List</span><span class="cm">.</span><span class="ci">fold</span> <span class="ci">f</span> <span class="ci">acc0</span>
<span class="ck">let</span> <span class="ci">manyReduce</span> <span class="ci">f</span> <span class="ci">defVal</span> <span class="ci">p</span> <span class="cp">=</span> <span class="cp">(</span><a href="../reference/primitives.html#members.many1"><span class="ci">many1</span></a> <span class="ci">p</span> <a href="../reference/primitives.html#members.:124::62::62:"><span class="co">|&gt;&gt;</span></a> <span class="ci">List</span><span class="cm">.</span><span class="ci">reduce</span> <span class="ci">f</span><span class="cp">)</span> <a href="../reference/primitives.html#members.:60::124::62::37:"><span class="co">&lt;|&gt;%</span></a> <span class="ci">defVal</span><span class="cm">.</span>
</pre>
        </div>
        <div class="para _3">
         <p>
          If you need <em>optimized</em> implementations, you can define them using the new <code class="fsharp"><a
          href="../reference/primitives.html#members.Inline"><span class="ci">Inline</span></a></code> helper class. The file <a
          href="https://bitbucket.org/fparsec/main/src/tip/Doc/misc/removed-many-variants.fs"><span
          class="tt">Doc/misc/removed‐many‐variants.fs</span></a> contains optimized definitions for all removed variants.
         </p>
        </div>
       </dd>
       <dt class="_4">
        <span class="a" id="v0_9.details-on-changes-to-manychars-manycharstill-and-their-variants">Details on changes to <code class="fsharp"><span
        class="ci">manyChars</span></code>, <code class="fsharp"><span class="ci">manyCharsTill</span></code> and their variants</span>
       </dt>
       <dd class="_4">
        <div class="para _1">
         <p>
          The behaviour of all variants of <code class="fsharp"><a href="../reference/charparsers.html#members.manyChars"><span
          class="ci">manyChars</span></a></code> and <code class="fsharp"><a href="../reference/charparsers.html#members.manyCharsTill"><span
          class="ci">manyCharsTill</span></a></code> has slightly changed. Now <code class="fsharp"><a
          href="../reference/charparsers.html#members.manyChars"><span class="ci">manyChars</span></a> <span class="ci">cp</span></code> is equivalent
          to <code class="fsharp"><a href="../reference/primitives.html#members.many"><span class="ci">many</span></a> <span
          class="ci">cp</span></code>, except that it returns a string instead of char list. Previously, <code class="fsharp"><a
          href="../reference/charparsers.html#members.manyChars"><span class="ci">manyChars</span></a> <span class="ci">cp</span></code> behaved like
          <code class="fsharp"><a href="../reference/primitives.html#members.many"><span class="ci">many</span></a> <span class="cp">(</span><a
          href="../reference/primitives.html#members.attempt"><span class="ci">attempt</span></a> <span class="ci">cp</span><span
          class="cp">)</span></code>, i.e. it automatically backtracked if the char parser had failed after consuming input. The same change has been
          made to the behaviour of all other variants of <code class="fsharp"><a href="../reference/charparsers.html#members.manyChars"><span
          class="ci">manyChars</span></a></code> and <code class="fsharp"><a href="../reference/charparsers.html#members.manyCharsTill"><span
          class="ci">manyCharsTill</span></a></code>. The new behaviour is more consistent with the rest of the libary and allows a faster
          implementation with the new low‐level API.
         </p>
        </div>
        <div class="para _2">
         <p>There probably aren’t many parsers that relied on the old behaviour.</p>
        </div>
        <div class="para _3">
         <p>
          The behaviour change made the <code class="fsharp"><span class="ci">skip</span></code> variants of <code class="fsharp"><span
          class="ci">manyChar</span></code> and <code class="fsharp"><a href="../reference/charparsers.html#members.manyCharsTill"><span
          class="ci">manyCharsTill</span></a></code> obsolete, since e.g. <code class="fsharp"><span class="ci">skipManyChars</span></code> would do
          exactly the same as <code class="fsharp"><a href="../reference/primitives.html#members.skipMany"><span class="ci">skipMany</span></a> <span
          class="ci">cp</span></code>. <span class="a" id="v0_9.removed-skip-variants-of-manyChars">Hence, the <code class="fsharp"><span
          class="ci">skip</span></code> variants have been removed</span>.
         </p>
        </div>
       </dd>
       <dt class="_5"><span class="a" id="v0_9.changes-to-low-level-api">Changes to low‐level API</span></dt>
       <dd class="_5">
        <div class="para _1 lcinp">
         <ul class="l1">
          <li class="_1">
           The old <code class="fsharp"><span class="ci">CharStream</span></code> and <code class="fsharp"><span class="ci">State</span></code>
           classes have been merged into a single <code class="fsharp"><a href="../reference/charstream.html#CharStream"><span
           class="ci">CharStream</span></a></code> class with a mutable interface.
          </li>
          <li class="_2">
           <code class="fsharp"><a href="../reference/primitives.html#members.Parser"><span class="ci">Parser</span></a></code> functions now take a
           <code class="fsharp"><a href="../reference/charstream.html#CharStream_1"><span class="ci">CharStream</span><span
           class="cp">&lt;</span><span class="ctv">'u</span><span class="cp">&gt;</span></a></code> instance as the input argument.
          </li>
          <li class="_3">
           The <code class="fsharp"><a href="../reference/reply.html"><span class="ci">Reply</span></a></code> type has been moved to the main <code
           class="fsharp"><span class="ci">FParsec</span></code> namespace and no longer has a <code class="fsharp"><span
           class="ci">State</span></code> member.
          </li>
          <li class="_4">
           Parser state comparisons are now done with the help of the <code class="fsharp"><a href="../reference/charstream.html#CharStream"><span
           class="ci">CharStream</span></a></code>’s <code class="fsharp"><a href="../reference/charstream.html#CharStream.members.StateTag"><span
           class="ci">StateTag</span></a></code>.
          </li>
          <li class="_5">
           <p>
            Various methods from the old <code class="fsharp"><span class="ci">CharStream</span><span class="cm">.</span><span
            class="ci">Iterator</span></code> and <code class="fsharp"><span class="ci">State</span></code> types have been renamed in the new <code
            class="fsharp"><a href="../reference/charstream.html#CharStream"><span class="ci">CharStream</span></a></code> class and have new
            signatures:
           </p>
           <ul class="l2">
            <li class="_1">
             <p>When you adapt old code, the following changes <strong>require particular attention</strong>:</p>
             <ul class="l3">
              <li class="_1">
               the old <code class="fsharp"><span class="ci">Iterator</span><span class="cm">.</span><span class="ci">Read</span></code> methods
               <em>did not</em> advance the input stream position, but the new <code class="fsharp"><a
               href="../reference/charstream.html#CharStream"><span class="ci">CharStream</span></a><span class="cm">.</span><a
               href="../reference/charstream.html#CharStream.members.Read"><span class="ci">Read</span></a></code> now <em>do</em> (as is the expected
               behaviour in traditional stream classes)
              </li>
              <li class="_2">
               the old <code class="fsharp"><span class="ci">Read</span><span class="cp">()</span></code> is equivalent to the new <code
               class="fsharp"><a href="../reference/charstream.html#CharStream.members.Peek"><span class="ci">Peek</span></a><span
               class="cp">()</span></code>
              </li>
              <li class="_3">
               the old <code class="fsharp"><span class="ci">Read</span><span class="cp">(</span><span class="ci">int</span><span
               class="cp">)</span></code> is equivalent to the new <code class="fsharp"><a
               href="../reference/charstream.html#CharStream.members.PeekString"><span class="ci">PeekString</span></a><span class="cp">(</span><span
               class="ci">int</span><span class="cp">)</span></code>
              </li>
              <li class="_4">
               the old <code class="fsharp"><span class="ci">Peek</span><span class="cp">()</span></code> is equivalent to the new (and old) <code
               class="fsharp"><a href="../reference/charstream.html#CharStream.members.Peek_int"><span class="ci">Peek</span></a><span
               class="cp">(</span><span class="cn">1</span><span class="cp">)</span></code>
              </li>
             </ul>
            </li>
            <li class="_2">
             <p>More renamings:</p>
             <ul class="l3">
              <li class="_1">
               <code class="fsharp"><span class="ci">Next</span></code>, <code class="fsharp"><span class="ci">Advance</span></code> ? <code
               class="fsharp"><a href="../reference/charstream.html#CharStream.interface.Skip-members"><span class="ci">Skip</span></a></code>
              </li>
              <li class="_2">
               <code class="fsharp"><span class="ci">_Increment</span></code>, <code class="fsharp"><span class="ci">_Decrement</span></code> ? <code
               class="fsharp"><a href="../reference/charstream.html#CharStream.interface.SkipAndPeek-members"><span
               class="ci">SkipAndPeek</span></a></code>
              </li>
              <li class="_3">
               <code class="fsharp"><span class="ci">SkipRestOfLine</span></code> with string output ? <code class="fsharp"><a
               href="../reference/charstream.html#CharStream.members.ReadRestOfLine"><span class="ci">ReadRestOfLine</span></a></code>
              </li>
              <li class="_4">
               <code class="fsharp"><span class="ci">SkipCharOrNewlines</span></code> with string output ? <code class="fsharp"><a
               href="../reference/charstream.html#CharStream.members.ReadCharsOrNewlines"><span class="ci">ReadCharsOrNewlines</span></a></code>
              </li>
              <li class="_5">
               <code class="fsharp"><span class="ci">SkipToString</span></code> ? <code class="fsharp"><a
               href="../reference/charstream.html#CharStream.interface.SkipCharsOrNewlinesUntilString-members"><span
               class="ci">SkipCharsOrNewlinesUntilString</span></a></code>
              </li>
              <li class="_6">
               <code class="fsharp"><span class="ci">SkipToStringCI</span></code> ? <code class="fsharp"><a
               href="../reference/charstream.html#CharStream.interface.SkipCharsOrNewlinesUntilCaseFoldedString-members"><span
               class="ci">SkipCharsOrNewlinesUntilCaseFoldedString</span></a></code>
              </li>
              <li class="_7">
               <code class="fsharp"><span class="ci">ReadUntil</span></code> ? <code class="fsharp"><a
               href="../reference/charstream.html#CharStream_1.members.ReadFrom"><span class="ci">ReadFrom</span></a></code>
              </li>
              <li class="_8">
               <code class="fsharp"><span class="ci">CharStream</span><span class="cm">.</span><span class="ci">FoldCase</span></code> ? <code
               class="fsharp"><a href="../reference/text.html#members.FoldCase"><span class="ci">Text</span><span class="cm">.</span><span
               class="ci">FoldCase</span></a></code>
              </li>
              <li class="_9">
               <code class="fsharp"><span class="ci">CharStream</span><span class="cm">.</span><span class="ci">NormalizeNewlines</span></code> ?
               <code class="fsharp"><a href="../reference/text.html#members.NormalizeNewlines"><span class="ci">Text</span><span
               class="cm">.</span><span class="ci">NormalizeNewlines</span></a></code>
              </li>
             </ul>
            </li>
           </ul>
          </li>
          <li class="_6">
           <p>New <code class="fsharp"><a href="../reference/charstream.html#CharStream"><span class="ci">CharStream</span></a></code> methods:</p>
           <ul class="l2">
            <li class="_1">
             <code class="fsharp"><a href="../reference/charstream.html#CharStream.interface.Skip-members"><span class="ci">Skip</span></a></code>
             methods with char and string arguments
            </li>
            <li class="_2">
             <code class="fsharp"><a href="../reference/charstream.html#CharStream.members.SkipUnicodeWhitespace"><span
             class="ci">SkipUnicodeWhitespace</span></a></code>
            </li>
            <li class="_3">
             <code class="fsharp"><a href="../reference/charstream.html#CharStream.members.SkipNewlineThenWhitespace"><span
             class="ci">SkipNewlineThenWhitespace</span></a></code>
            </li>
           </ul>
          </li>
          <li class="_7">
           The <code class="fsharp"><a href="../reference/errormessage.html#members.ErrorMessage"><span class="ci">ErrorMessage</span></a></code> and
           <code class="fsharp"><a href="../reference/errormessagelist.html"><span class="ci">ErrorMessageList</span></a></code> types are now defined
           in the C# library part. This allows us to implement full parsers in C#. The <code class="fsharp"><a href="../reference/error.html"><span
           class="ci">FParsec</span><span class="cm">.</span><span class="ci">Error</span></a></code> module contains type abbreviations and active
           patters that provide the familiar interface to F# clients.
          </li>
          <li class="_8">
           All error messages used by built‐in FParsec parsers are now defined in the C# classes <code class="fsharp"><span
           class="ci">FParsec</span><span class="cm">.</span><span class="ci">Strings</span></code> and <code class="fsharp"><span
           class="ci">FParsec</span><span class="cm">.</span><span class="ci">Errors</span></code>. This should simplify customization and
           internationalization efforts.
          </li>
         </ul>
        </div>
       </dd>
       <dt class="_6"><span class="a" id="v0_9.background-on-low-level-api-changes">Background on low‐level API changes</span></dt>
       <dd class="_6">
        <div class="para _1">
         <p>
          Previously parsers were implemented as functions operating on an immutable parser state in the form of a <code class="fsharp"><a
          href="../reference/charstream.html#CharStream_1.members.State"><span class="ci">State</span></a></code> instance. A parser function received
          a <code class="fsharp"><a href="../reference/charstream.html#CharStream_1.members.State"><span class="ci">State</span></a></code> instance
          as the input and returned a <code class="fsharp"><a href="../reference/charstream.html#CharStream_1.members.State"><span
          class="ci">State</span></a></code> instance as part of its return value. Since <code class="fsharp"><a
          href="../reference/charstream.html#CharStream_1.members.State"><span class="ci">State</span></a></code> instances were immutable, a parser
          function had to create a new <code class="fsharp"><a href="../reference/charstream.html#CharStream_1.members.State"><span
          class="ci">State</span></a></code> instance to advance the input stream, e.g. by calling <code class="fsharp"><span
          class="ci">state</span><span class="cm">.</span><span class="ci">Advance</span><span class="cp">(</span><span class="cn">2</span><span
          class="cp">)</span></code>.
         </p>
        </div>
        <div class="para _2">
         <p>
          This architecture was motivated by the desire to provide an API as &#x201C;functional&#x201D; as possible, an API that shields users from
          the underlying imperative/mutable nature of input streams. When FParsec originally started as a relatively close port of Haskell’s Parsec
          library, this design felt like a natural fit for a functional parser library. However, later, when FParsec moved away from its Parsec roots
          (to improve performance and provide more features), it became increasingly clear that the immutable <code class="fsharp"><a
          href="../reference/charstream.html#CharStream"><span class="ci">CharStream</span></a></code><code class="fsharp"><a
          href="../reference/charstream.html#CharStream_1.members.State"><span class="ci">State</span></a></code>‐design was the main obstacle
          preventing FParsec from reaching the performance of hand‐optimized recursive‐descent parsers.
         </p>
        </div>
        <div class="para _3">
         <p>
          Initial tests with some quick prototypes revealed that the allocation and garbage collection of temporary <code class="fsharp"><a
          href="../reference/charstream.html#CharStream_1.members.State"><span class="ci">State</span></a></code> instances took up to 50% or more of
          the run time of typical parsers – even though the <code class="fsharp"><a
          href="../reference/charstream.html#CharStream_1.members.State"><span class="ci">State</span></a></code> class was already heavily optimized.
          These tests also indicated that consolidating the stream and state classes into a classical imperative stream class simplified the overall
          library implementation and made the library source code more accessible to new users.
         </p>
        </div>
        <div class="para _4">
         <p>
          The main drawback of the API change is that it requires modifications to practically all low‐level parser code. Another drawback is that
          backtracking is slightly less convenient with the new low‐level API (as the parser state has to be explicitly saved and restored, while
          previously one could just continue with an old state instance).
         </p>
        </div>
        <div class="para _5">
         <p>Since FParsec’s high‐level API is only minimally affected by the change, the advantages seem to outweigh the costs.</p>
        </div>
       </dd>
      </dl>
     </div>
    </div>
   </div>
  </div>
  <div id="v0_8_x" class="section s3">
   <h2 class="title h3"><span>Version 0.8.x, no release</span></h2>
   <div class="intro i3">
    <div class="para _1 lcinp">
     <div class="dl multi-para">
      <dl class="dl multi-para">
       <dt class="_1">New features/ improvements</dt>
       <dd class="_1">
        <div class="para _1 lcinp">
         <ul class="l1">
          <li class="_1">
           case‐insensitive matching with <code class="fsharp"><span class="ci">pstringCI</span></code>, <code class="fsharp"><span
           class="ci">charsTillStringCI</span></code>, etc. (using the Unicode 1‐to‐1 case folding mappings for chars in the BMP)
          </li>
          <li class="_2">
           various new parsers and combinators, including <code class="fsharp"><span class="ci">restOfLine</span></code>, <code class="fsharp"><span
           class="ci">skipToString</span></code>, <code class="fsharp"><span class="ci">manySatisfyMinMax</span></code>, <code class="fsharp"><span
           class="ci">manyStrings</span></code>, <code class="fsharp"><span class="ci">withSkippedString</span></code>
          </li>
          <li class="_3">
           new functions <code class="fsharp"><span class="ci">runParserOnSubstring</span></code> and <code class="fsharp"><span
           class="ci">runParserOnSubstream</span></code>
          </li>
          <li class="_4">various performance improvements</li>
          <li class="_5">Silverlight support</li>
          <li class="_6">F# 1.9.6.16 compatibility</li>
         </ul>
        </div>
       </dd>
       <dt class="_2">Design changes</dt>
       <dd class="_2">
        <div class="para _1 lcinp">
         <ul class="l1">
          <li class="_1">
           standardized on a single input stream type (<code class="fsharp"><span class="ci">FParsec</span><span class="cm">.</span><span
           class="ci">CharStream</span></code>) and a single concrete parser state type (<code class="fsharp"><span class="ci">FParsec</span><span
           class="cm">.</span><span class="ci">State</span></code>)
          </li>
          <li class="_2">
           <p>
            refactored the <code class="fsharp"><span class="ci">Reply</span><span class="cp">&lt;</span><span class="ci">_</span><span
            class="cp">,</span><span class="ci">_</span><span class="cp">&gt;</span></code>, <code class="fsharp"><span
            class="ci">ErrorMessage</span></code> and <code class="fsharp"><span class="ci">ParserError</span></code> types:
           </p>
           <ul class="l2">
            <li class="_1">error replies now also contain a complete <code class="fsharp"><span class="ci">State</span></code></li>
            <li class="_2">
             whether a parser has changed the state is now determined by checking the input and the output state for equality, instead of testing the
             <code class="fsharp"><span class="ci">Consumed</span></code> flag
            </li>
            <li class="_3">
             replaced the <code class="fsharp"><span class="ci">Reply</span><span class="cp">&lt;</span><span class="ci">_</span><span
             class="cp">,</span><span class="ci">_</span><span class="cp">&gt;</span><span class="cp">.</span><span class="ci">Flags</span></code>
             with a <code class="fsharp"><span class="ci">Status</span></code> field
            </li>
            <li class="_4">
             replaced the various helper functions for constructing a <code class="fsharp"><span class="ci">Reply</span></code> with three overloaded
             <code class="fsharp"><span class="ci">Reply</span><span class="cp">&lt;</span><span class="ci">_</span><span class="cp">,</span><span
             class="ci">_</span><span class="cp">&gt;</span></code> constructors (with different arities)
            </li>
           </ul>
          </li>
          <li class="_3">
           all char parsers are now &#x201C;newline aware&#x201D;, i.e. they normalize any of the three standard newline representations (<code
           class="fsharp"><span class="cs"><span class="cld">"</span><span class="ce">\n</span><span class="crd">"</span></span></code>, <code
           class="fsharp"><span class="cs"><span class="cld">"</span><span class="ce">\r</span><span class="ce">\n</span><span
           class="crd">"</span></span></code>, <code class="fsharp"><span class="cs"><span class="cld">"</span><span class="ce">\r</span><span
           class="crd">"</span></span></code>) to &#x201C;n&#x201D; and they properly increment the line count whenever they parse a newline;
           <strong>this means that the behaviour of almost all char parsers has changed with regard to how newline chars are handled</strong>
          </li>
         </ul>
        </div>
       </dd>
       <dt class="_3">Bug fixes</dt>
       <dd class="_3">
        <div class="para _1 lcinp">
         <ul class="l1">
          <li class="_1">
           The <code class="fsharp"><span class="ci">CharStream</span></code> class now uses the serialization API to persist the decoder state for
           backtracking purposes. Previously it relied on the decoder loosing its state at block boundaries after a certain sequence of method calls.
           The previous approach works in practice for the .NET decoders of the standard unicode encodings and for simple stateless encodings like
           ASCII and ANSI, but it relies on undocumented behaviour and it does not work reliably for encodings like GB18030, ISO‐2022 or ISCII.
          </li>
          <li class="_2">
           In previous FParsec versions the <code class="fsharp"><span class="ci">CharStream</span></code> file path/System.IO.Stream constructors
           failed with an <code class="fsharp"><span class="ci">IndexOutOfRange</span></code> exception when the file/stream was empty and encoding
           detection was not turned off (reported by Vesa Karvonen ‐ thanks Vesa!).
          </li>
          <li class="_3">
           In previous FParsec versions the <code class="fsharp"><span class="ci">NumberLiteral</span><span class="cm">.</span><span
           class="ci">String</span></code> returned by the <code class="fsharp"><span class="ci">numberLiteral</span></code> parser included parsed
           suffix chars despite the documentation claiming the opposite. (The testing code was buggy too.) Applications that rely on this behaviour
           can now use the new <code class="fsharp"><span class="ci">NumberLiteralOptions</span><span class="cm">.</span><span
           class="ci">IncludeSuffixCharsInString</span></code> to force the <code class="fsharp"><span class="ci">numberLiteral</span></code> parser
           to include any suffix chars in the returned string.
          </li>
          <li class="_4">
           Fixed behaviour of <code class="fsharp"><span class="co">&gt;&gt;=?</span></code>, <code class="fsharp"><span
           class="co">&gt;&gt;?</span></code> and <code class="fsharp"><span class="co">.&gt;&gt;?</span></code> when second parser fails with fatal
           error without changing the parser state.
          </li>
          <li class="_5">
           Fixed behaviour of <code class="fsharp"><span class="ci">nextCharSatisfies</span><span class="cp">[</span><span class="ci">Not</span><span
           class="cp">]</span></code> when current &#x201C;char&#x201D; is a <code class="fsharp"><span class="cs"><span class="cld">"</span><span
           class="ce">\r</span><span class="ce">\n</span><span class="crd">"</span></span></code> newline.
          </li>
         </ul>
        </div>
       </dd>
       <dt class="_4">Other breaking changes</dt>
       <dd class="_4">
        <div class="para _1 lcinp">
         <ul class="l1">
          <li class="_1">
           renamed the module <code class="fsharp"><span class="ci">CharParser</span></code> to <code class="fsharp"><span
           class="ci">CharParsers</span></code>
          </li>
          <li class="_2">
           moved <code class="fsharp"><span class="ci">CharParser</span><span class="cm">.</span><span
           class="ci">OperatorPrecedenceParser</span></code> into separate module
          </li>
         </ul>
        </div>
        <div class="para _2 lcinp">
         <ul class="l1">
          <li class="_1">
           <p><code class="fsharp"><span class="ci">FParsec</span><span class="cm">.</span><span class="ci">Primitives</span></code>:</p>
           <ul class="l2">
            <li class="_1">
             <strong>subtle change:</strong> renamed <code class="fsharp"><span class="ci">message</span></code> to <code class="fsharp"><span
             class="ci">fail</span></code> and <code class="fsharp"><span class="ci">fail</span></code> to <code class="fsharp"><span
             class="ci">failFatally</span></code>
            </li>
            <li class="_2">
             renamed <code class="fsharp"><span class="ci">pair</span></code>, <code class="fsharp"><span class="ci">triple</span></code> and <code
             class="fsharp"><span class="ci">quad</span></code> to <code class="fsharp"><span class="ci">tuple2</span></code>, <code
             class="fsharp"><span class="ci">tuple3</span></code> and <code class="fsharp"><span class="ci">tuple4</span></code>
            </li>
            <li class="_3">
             renamed <code class="fsharp"><span class="ci">manyFoldLeft</span></code> to <code class="fsharp"><span class="ci">manyFold</span></code>
             and changed the argument order of the accumulator and function argument
            </li>
            <li class="_4">removed <code class="fsharp"><span class="ci">manyFoldRight</span></code></li>
            <li class="_5">
             renamed <code class="fsharp"><span class="ci">count</span></code> to <code class="fsharp"><span class="ci">parray</span></code> and
             changed the return type, renamed <code class="fsharp"><span class="ci">skipCount</span></code> to <code class="fsharp"><span
             class="ci">skipArray</span></code>
            </li>
            <li class="_6">
             renamed <code class="fsharp"><span class="ci">followedBy</span></code> and <code class="fsharp"><span
             class="ci">notFollowedBy</span></code> to <code class="fsharp"><span class="ci">followedByL</span></code> and <code class="fsharp"><span
             class="ci">notFollowedByL</span></code> and introduced <code class="fsharp"><span class="ci">followedBy</span></code> and <code
             class="fsharp"><span class="ci">notFollowedBy</span></code> functions that take no second argument
            </li>
            <li class="_7">
             moved <code class="fsharp"><span class="ci">ParserResult</span><span class="cp">&lt;</span><span class="ci">_</span><span
             class="cp">&gt;</span></code> to <code class="fsharp"><span class="ci">CharParsers</span></code> and changed constructor arguments
            </li>
            <li class="_8">removed applyParser</li>
            <li class="_9">
             removed <code class="fsharp"><span class="co">|&gt;&gt;=</span></code>, now <code class="fsharp"><span class="co">&gt;&gt;=</span></code>
             automatically uses an optimized branch for uncurried functions
            </li>
            <li class="_0">
             removed <code class="fsharp"><span class="ci">endBy</span></code> and <code class="fsharp"><span class="ci">endBy1</span></code> (<code
             class="fsharp"><span class="ci">endBy</span> <span class="ci">p</span> <span class="ci">sep</span></code> can be replaced with <code
             class="fsharp"><span class="ci">many</span> <span class="cp">(</span><span class="ci">p</span> <span class="co">.&gt;&gt;</span> <span
             class="ci">sep</span><span class="cp">)</span></code> and <code class="fsharp"><span class="ci">endBy1</span> <span
             class="ci">p</span> <span class="ci">sep</span></code> with <code class="fsharp"><span class="ci">many1</span> <span
             class="cp">(</span><span class="ci">p</span> <span class="co">.&gt;&gt;</span> <span class="ci">sep</span><span
             class="cp">)</span></code>)
            </li>
           </ul>
          </li>
         </ul>
        </div>
        <div class="para _3 lcinp">
         <ul class="l1">
          <li class="_1">
           <p><code class="fsharp"><span class="ci">FParsec</span><span class="cm">.</span><span class="ci">CharParsers</span></code>:</p>
           <ul class="l2">
            <li class="_1">
             renamed <code class="fsharp"><span class="ci">manyTillString</span></code> to <code class="fsharp"><span
             class="ci">charsTillString</span></code>
            </li>
            <li class="_2">removed <code class="fsharp"><span class="ci">applyParser</span></code> from the public interface</li>
            <li class="_3">
             removed <code class="fsharp"><span class="ci">getIndex</span></code>, <code class="fsharp"><span class="ci">skip</span></code>, <code
             class="fsharp"><span class="ci">registerNL</span></code>, <code class="fsharp"><span class="ci">extract</span></code>, <code
             class="fsharp"><span class="ci">regexp</span></code> (these low‐level operations should be done directly through the <code
             class="fsharp"><span class="ci">State</span><span class="cp">&lt;</span><span class="ci">_</span><span
             class="cp">&gt;</span></code>/<code class="fsharp"><span class="ci">CharStream</span><span class="cm">.</span><span
             class="ci">Iterator</span></code> interface)
            </li>
            <li class="_4">removed <code class="fsharp"><span class="ci">anyCharOrNL</span></code> (no longer needed, see design changes above)</li>
            <li class="_5">
             removed <code class="fsharp"><span class="ci">nSatisfy</span></code> (can be replaced with <code class="fsharp"><span
             class="ci">manySatisfyMinMax</span></code>)
            </li>
            <li class="_6">
             removed <code class="fsharp"><span class="ci">unicodeDigit</span></code> and <code class="fsharp"><span
             class="ci">unicodeNumber</span></code> (can be replaced with <code class="fsharp"><span class="ci">satisfy</span> <span
             class="ci">System</span><span class="cm">.</span><span class="ci">Char</span><span class="cm">.</span><span
             class="ci">IsDigit</span></code> and <code class="fsharp"><span class="ci">satisfy</span> <span class="ci">System</span><span
             class="cm">.</span><span class="ci">Char</span><span class="cm">.</span><span class="ci">IsNumber</span></code>)
            </li>
            <li class="_7">
             moved the helper functions <code class="fsharp"><span class="ci">expectedError</span></code>, <code class="fsharp"><span
             class="ci">unexpectedError</span></code> etc. into the <code class="fsharp"><span class="ci">Error</span></code> module
            </li>
           </ul>
          </li>
         </ul>
        </div>
        <div class="para _4 lcinp">
         <ul class="l1">
          <li class="_1">
           <p><code class="fsharp"><span class="ci">FParsec</span><span class="cm">.</span><span class="ci">CharStream</span></code>:</p>
           <ul class="l2">
            <li class="_1">string constructor takes more arguments</li>
            <li class="_2">
             <code class="fsharp"><span class="ci">Iterator</span><span class="cm">.</span><span class="ci">Peek</span><span class="cp">(</span><span
             class="ci">i</span><span class="cp">)</span></code> now returns the <code class="fsharp"><span class="ci">EndOfStreamChar</span></code>
             char instead of throwing an exception if the char peeked at lies before the beginning of the stream
            </li>
           </ul>
          </li>
         </ul>
        </div>
       </dd>
      </dl>
     </div>
    </div>
   </div>
  </div>
  <div id="v0_7_3_1" class="section s3">
   <h2 class="title h3"><span>Version 0.7.3.1, 2009‒02‒26</span></h2>
   <div class="intro i3">
    <div class="para _1 lcinp">
     <ul class="multi-para l1">
      <li class="_1">
       <div class="para _1">
        <p>
         Fixed a bug in <code class="fsharp"><span class="ci">CharParser</span><span class="cm">.</span><span
         class="ci">normalizeNewlines</span></code>/<code class="fsharp"><span class="ci">CharStream</span><span class="cm">.</span><span
         class="ci">NormalizeNewlines</span></code>. This bug also affected the <code class="fsharp"><span class="ci">skipped</span></code> and <code
         class="fsharp"><span class="ci">manyTillString</span></code> parsers, which internaly call <code class="fsharp"><span
         class="ci">normalizeNewlines</span></code> to normalize the returned string.
        </p>
       </div>
       <div class="para _2">
        <p>The bug was reported by Greg Chapman ‐ thanks Greg!</p>
       </div>
       <div class="para _3">
        <p>
         When given a multi‐line string in which the lines are delimited by <code class="fsharp"><span class="cs"><span class="cld">"</span><span
         class="ce">\r</span><span class="ce">\n</span><span class="crd">"</span></span></code> but the last line does not end in a newline, the buggy
         <code class="fsharp"><span class="ci">normalizeNewlines</span></code> replaced the chars on the last line with <code class="fsharp"><span
         class="cc"><span class="cld">'</span><span class="ce">\n</span><span class="crd">'</span></span></code> chars.
        </p>
       </div>
      </li>
     </ul>
    </div>
    <div class="para _2 lcinp">
     <ul class="l1">
      <li class="_1">
       Changed the signature of <code class="fsharp"><span class="ci">Helper</span><span class="cm">.</span><span
       class="ci">SkipOverWhitespace</span></code>.
      </li>
     </ul>
    </div>
   </div>
  </div>
  <div id="v0_7_3" class="section s3">
   <h2 class="title h3"><span>Version 0.7.3, 2008‒12‒08</span></h2>
   <div class="intro i3">
    <div class="para _1 lcinp">
     <p>Breaking changes (all of which should have little or no impact on existing code bases):</p>
     <ul class="l1">
      <li class="_1">
       <code class="fsharp"><span class="ci">CharStream</span><span class="cm">.</span><span class="ci">Iterator</span></code> instances now compare
       equal if and only if they belong to the same <code class="fsharp"><span class="ci">CharStream</span></code> and point to the same index
       (previously they compared only equal if their internal representations were identical)
      </li>
      <li class="_2">
       the constructor argument of <code class="fsharp"><span class="ci">Error</span><span class="cm">.</span><span
       class="ci">otherError</span></code> is now expected to be comparable with F#’s structural comparison function <code class="fsharp"><span
       class="ci">compare</span></code>, see http://research.microsoft.com/fsharp/manual/spec2.aspx#_Toc207785725
      </li>
      <li class="_3">
       the signature of the second <code class="fsharp"><span class="ci">ParserError</span><span class="cm">.</span><span
       class="ci">ToString</span></code> overload has changed
      </li>
      <li class="_4">
       <code class="fsharp"><span class="ci">CharParser</span><span class="cm">.</span><span class="ci">errorToString</span></code> and <code
       class="fsharp"><span class="ci">printErrorLine</span></code> have been deprecated
      </li>
     </ul>
    </div>
    <div class="para _2 lcinp">
     <p>New features:</p>
     <ul class="l1">
      <li class="_1">
       reimplemented the error formatting code in <code class="fsharp"><span class="ci">FParsec</span><span class="cm">.</span><span
       class="ci">Error</span></code>
      </li>
      <li class="_2">
       added new <code class="fsharp"><span class="ci">State</span><span class="cp">&lt;</span><span class="ci">_</span><span
       class="cp">&gt;</span><span class="cp">.</span><span class="ci">AdvanceTo</span></code> and <code class="fsharp"><span
       class="ci">CharStream</span><span class="cm">.</span><span class="ci">Iterator</span><span class="cm">.</span><span
       class="ci">Advance</span></code> overloads
      </li>
      <li class="_3">
       slightly modified the error reporting in <code class="fsharp"><span class="ci">Primitives</span><span class="cm">.</span><span
       class="ci">sepEndBy</span></code>
      </li>
      <li class="_4">some documentation fixes</li>
     </ul>
    </div>
   </div>
  </div>
  <div id="v0_7_2" class="section s3">
   <h2 class="title h3"><span>Version 0.7.2, 2008‒11‒17</span></h2>
   <div class="intro i3">
    <div class="para _1 lcinp">
     <ul class="l1">
      <li class="_1">
       added <code class="fsharp"><span class="ci">CharParser</span><span class="cm">.</span><span class="ci">OperatorPrecedenceParser</span></code>
      </li>
      <li class="_2">
       changed the overflow checking in <code class="fsharp"><span class="ci">pint32</span></code> such that it will not be affected by an expected
       future change in F#’s <code class="fsharp"><span class="ci">int32</span> <span class="cr">-&gt;</span> <span class="ci">uint64</span></code>
       conversion behaviour
      </li>
      <li class="_3">
       added <code class="fsharp"><span class="ci">CharParser</span><span class="cm">.</span><span class="ci">pint16</span></code>, <code
       class="fsharp"><span class="ci">puint16</span></code>, <code class="fsharp"><span class="ci">pint8</span></code>, <code class="fsharp"><span
       class="ci">puint8</span></code>
      </li>
      <li class="_4">
       changed the signatures in CharParser.fsi to use the <code class="fsharp"><span class="ci">Parser</span><span class="cp">&lt;</span><span
       class="ci">_</span><span class="cp">,</span><span class="ci">_</span><span class="cp">&gt;</span></code> type abbreviation
      </li>
      <li class="_5">
       fixed outdated documentation of <code class="fsharp"><span class="ci">CharParser</span><span class="cm">.</span><span
       class="ci">expectedError</span></code>
      </li>
      <li class="_6">some minor optimizations</li>
     </ul>
    </div>
   </div>
  </div>
  <div id="v0_7_1" class="section s3">
   <h2 class="title h3"><span>Version 0.7.1, 2008‒09‒29</span></h2>
   <div class="intro i3">
    <div class="para _1 lcinp">
     <p>Breaking changes:</p>
     <ul class="l1">
      <li class="_1">
       renamed <code class="fsharp"><span class="ci">Primitives</span><span class="cm">.</span><span class="ci">Reply</span><span
       class="cm">.</span><span class="ci">_tag</span></code> member to <code class="fsharp"><span class="ci">Flags</span></code> and gave it a proper
       enumeration type
      </li>
      <li class="_2">
       <code class="fsharp"><span class="ci">CharParser</span><span class="cm">.</span><span class="ci">State</span></code> is now a reference type
      </li>
      <li class="_3">
       Removed <code class="fsharp"><span class="ci">CharParser</span><span class="cm">.</span><span class="ci">State</span><span
       class="cm">.</span><span class="ci">Flags</span></code> member
      </li>
      <li class="_4">
       deprecated <code class="fsharp"><span class="ci">Primitives</span><span class="cm">.</span><span class="ci">reconstructError</span></code>
      </li>
     </ul>
    </div>
   </div>
  </div>
  <div id="v0_7_0_1" class="section s3">
   <h2 class="title h3"><span>Version 0.7.0.1, 2008‒09‒23</span></h2>
   <div class="intro i3">
    <div class="para _1 lcinp">
     <p>Breaking change:</p>
     <ul class="l1">
      <li class="_1">
       changed the case of the <code class="fsharp"><span class="ci">FParsec</span><span class="cm">.</span><span class="ci">Error</span><span
       class="cm">.</span><span class="ci">Pos</span></code> members (This wasn’t already done in 0.7 because of an oversight.)
      </li>
     </ul>
    </div>
   </div>
  </div>
  <div id="v0_7" class="section s3">
   <h2 class="title h3"><span>Version 0.7.0, 2008‒09‒13</span></h2>
   <div class="intro i3">
    <div class="para _1 lcinp">
     <p>Bugfixes:</p>
     <ul class="l1">
      <li class="_1">
       made <code class="fsharp"><span class="ci">FParsec</span><span class="cm">.</span><span class="ci">Error</span><span class="cm">.</span><span
       class="ci">Pos</span></code> IComparable to prevent <code class="fsharp"><span class="ci">ParserError</span><span class="cm">.</span><span
       class="ci">ToString</span></code> from throwing an exception under rare circumstances
      </li>
      <li class="_2">
       corrected the argument checking for some <code class="fsharp"><span class="ci">CharStream</span><span class="cm">.</span><span
       class="ci">Iterator</span></code> methods for very large arguments
      </li>
     </ul>
    </div>
    <div class="para _2 lcinp">
     <p>New features:</p>
     <ul class="l1">
      <li class="_1">compatibility with the F# CTP release</li>
      <li class="_2">
       a configurable parser for number literals: <code class="fsharp"><span class="ci">CharParser</span><span class="cm">.</span><span
       class="ci">numberLiteral</span></code>
      </li>
      <li class="_3">
       <code class="fsharp"><span class="ci">CharParser</span><span class="cm">.</span><span class="ci">pfloat</span></code> now also parses <code
       class="fsharp"><span class="ci">NaN</span></code>, <code class="fsharp"><span class="ci">Infinity</span></code> and hexadecimal floating point
       literals as supported by IEEE754r, C99 and Java (but different from the hex representation supported by F#)
      </li>
      <li class="_4">
       new helper functions <code class="fsharp"><span class="ci">CharParser</span><span class="cm">.</span><span
       class="ci">floatToHexString</span></code>, <code class="fsharp"><span class="ci">floatOfHexString</span></code>, <code class="fsharp"><span
       class="ci">float32ToHexString</span></code> and <code class="fsharp"><span class="ci">float32OfHexString</span></code>
      </li>
      <li class="_5">
       integer parsers: <code class="fsharp"><span class="ci">Charparser</span><span class="cm">.</span><span class="ci">pint32</span></code>, <code
       class="fsharp"><span class="ci">puint64</span></code>, <code class="fsharp"><span class="ci">puint32</span></code>, <code class="fsharp"><span
       class="ci">puint64</span></code>
      </li>
      <li class="_6">new sample: a JSON parser</li>
      <li class="_7">various optimizations and some code cleanup</li>
      <li class="_8">
       new <code class="fsharp"><span class="ci">CharStream</span><span class="cm">.</span><span class="ci">Iterator</span></code> members <code
       class="fsharp"><span class="ci">ReadUntil</span></code>, <code class="fsharp"><span class="ci">Increment</span></code> and <code
       class="fsharp"><span class="ci">Decrement</span></code>
      </li>
      <li class="_9">
       new <code class="fsharp"><span class="ci">State</span></code> member <code class="fsharp"><span class="ci">AdvanceTo</span></code>
      </li>
      <li class="_0">
       new function <code class="fsharp"><span class="ci">Primitives</span><span class="cm">.</span><span
       class="ci">createParserForwardedToRef</span></code>
      </li>
      <li class="_1">
       new combinator <code class="fsharp"><span class="co">|&gt;&gt;=</span></code> in <code class="fsharp"><span class="ci">Primitives</span></code>
      </li>
     </ul>
    </div>
    <div class="para _3 lcinp">
     <p>Breaking changes:</p>
     <ul class="l1">
      <li class="_1">
       renamed the parsers <code class="fsharp"><span class="ci">char</span></code> and <code class="fsharp"><span class="ci">string</span></code> to
       <code class="fsharp"><span class="ci">pchar</span></code> and <code class="fsharp"><span class="ci">pstring</span></code> (This is in deference
       to the built‐in F# functions <code class="fsharp"><span class="ci">char</span></code> and <code class="fsharp"><span
       class="ci">string</span></code>, which weren’t yet around when the first version of FParsec was released.)
      </li>
      <li class="_2">
       changed the case of the properties of the <code class="fsharp"><span class="ci">Reply</span></code> and <code class="fsharp"><span
       class="ci">State</span></code> types (This reflects the emerging consensus in the F# community that all public members of types should be named
       in PascalCase.)
      </li>
      <li class="_3">
       deprecated <code class="fsharp"><span class="ci">State</span><span class="cm">.</span><span class="ci">AdvanceNL</span></code> (use the 3
       parameter Advance overload instead)
      </li>
      <li class="_4">
       deprecated the <code class="fsharp"><span class="ci">Primitives</span></code> helper functions <code class="fsharp"><span
       class="ci">isOk</span></code>, <code class="fsharp"><span class="ci">isEmpty</span></code>, … (the <code class="fsharp"><span
       class="ci">Reply</span></code> properties <code class="fsharp"><span class="ci">IsOk</span></code>, <code class="fsharp"><span
       class="ci">IsEmpty</span></code>,… should be used instead)
      </li>
      <li class="_5">
       deprecated the <code class="fsharp"><span class="ci">CharParser</span></code> helper functions <code class="fsharp"><span
       class="ci">matchChar</span></code>, <code class="fsharp"><span class="ci">readChar</span></code>, … (the <code class="fsharp"><span
       class="ci">State</span><span class="cm">.</span><span class="ci">Iter</span></code> methods <code class="fsharp"><span
       class="ci">Match</span></code>, <code class="fsharp"><span class="ci">Read</span></code>, … should be used instead)
      </li>
      <li class="_6">
       deprecated <code class="fsharp"><span class="ci">Primitives</span><span class="cm">.</span><span class="ci">option</span></code>, <code
       class="fsharp"><span class="co">&lt;|&gt;$</span></code> should be used instead
      </li>
      <li class="_7">
       made <code class="fsharp"><span class="ci">CharParser</span><span class="cm">.</span><span class="ci">CharList</span></code> internal (If you
       need this helper class for your code, just copy the implementation to your source.)
      </li>
      <li class="_8">
       <code class="fsharp"><span class="ci">State</span><span class="cm">.</span><span class="ci">Flags</span><span class="cp">()</span></code> now
       has more bits (and less bits are reset on a position change)
      </li>
     </ul>
    </div>
   </div>
  </div>
  <div id="v0_6" class="section s3">
   <h2 class="title h3"><span>Version 0.6.0, 2008‒05‒20</span></h2>
   <div class="intro i3">
    <div class="para _1 lcinp">
     <ul class="l1">
      <li class="_1">
       fixed a bug in <code class="fsharp"><span class="ci">manyTillString</span></code> (the code keeping track of newlines was buggy)
      </li>
      <li class="_2">
       fixed a bug in <code class="fsharp"><span class="ci">CharParser</span><span class="co">.&lt;?&gt;</span></code> (the error reporting was
       inconsistent with <code class="fsharp"><span class="ci">Primitives</span><span class="co">.&lt;?&gt;</span></code> in the rare case where <code
       class="fsharp"><span class="co">&lt;?&gt;</span></code> is applied inside an <code class="fsharp"><span class="ci">attempt</span> <span
       class="cp">(</span><span class="co">...</span><span class="cp">)</span> <span class="co">&lt;?&gt;</span> <span class="ci">label</span></code>
       clause to a parser that returns an <code class="fsharp"><span class="ci">EmptyOk</span></code> reply)
      </li>
      <li class="_3">various changes for F# 1.9.4.15</li>
      <li class="_4">
       added <code class="fsharp"><span class="ci">skipped</span></code> parser to <code class="fsharp"><span class="ci">CharParser</span></code>
      </li>
      <li class="_5">
       added <code class="fsharp"><span class="ci">nextCharSatifiesNot</span></code>, <code class="fsharp"><span
       class="ci">prevCharSatifiesNot</span></code>, <code class="fsharp"><span class="ci">currCharSatisfies</span></code>, <code class="fsharp"><span
       class="ci">currCharSatisfiesNot</span></code> to <code class="fsharp"><span class="ci">CharParser</span></code> module; the behaviours of the
       existing <code class="fsharp"><span class="ci">nextCharSatisfies</span></code> and <code class="fsharp"><span
       class="ci">prevCharSatisfies</span></code> were slightly changed (see <span class="tt">fparsec.html</span> for more details)
      </li>
      <li class="_6">
       added <code class="fsharp"><span class="ci">TryWith</span></code> and <code class="fsharp"><span class="ci">TryFinally</span></code> members to
       <code class="fsharp"><span class="ci">Primitivs</span><span class="cm">.</span><span class="ci">ParserCombinator</span></code>
      </li>
      <li class="_7">
       added <code class="fsharp"><span class="ci">triple</span></code> and <code class="fsharp"><span class="ci">quad</span></code> parsers to <code
       class="fsharp"><span class="ci">Primitives</span></code> module
      </li>
      <li class="_8">
       set <code class="fsharp"><span class="ci">CompilationRepresentationFlags</span><span class="cm">.</span><span
       class="ci">PermitNull</span></code> for <code class="fsharp"><span class="ci">Error</span><span class="cm">.</span><span
       class="ci">ParserError</span></code>
      </li>
      <li class="_9">various optimizations</li>
      <li class="_0">
       some documentation fixes, including corrections for the docs of the <code class="fsharp"><span class="ci">CharParser</span></code> error
       generation helper functions (<code class="fsharp"><span class="ci">expectedError</span></code> etc.)
      </li>
     </ul>
    </div>
   </div>
  </div>
  <div id="v0_5_1" class="section s3">
   <h2 class="title h3"><span>Version 0.5.1, 2008‒01‒20</span></h2>
   <div class="intro i3">
    <div class="para _1 lcinp">
     <ul class="l1">
      <li class="_1">
       added <code class="fsharp"><span class="ci">pipe2</span></code>, <code class="fsharp"><span class="ci">pipe3</span></code> and <code
       class="fsharp"><span class="ci">pipe4</span></code> primitives
      </li>
      <li class="_2">
       replaced <code class="fsharp"><span class="ci">count</span></code> and <code class="fsharp"><span class="ci">skipCount</span></code> primitives
       with optimized versions
      </li>
      <li class="_3">
       minor optimizations in <code class="fsharp"><span class="ci">spaces</span></code> and <code class="fsharp"><span
       class="ci">spaces1</span></code>
      </li>
      <li class="_4">added <code class="fsharp"><span class="ci">pfloat</span></code> char parser</li>
      <li class="_5">minor documentation fixes</li>
     </ul>
    </div>
   </div>
  </div>
  <div id="v0_5" class="section s3">
   <h2 class="title h3"><span>Version 0.5.0, 2008‒01‒15</span></h2>
   <div class="intro i3">
    <div class="para _1 lcinp">
     <ul class="l1">
      <li class="_1">
       Major design change: all lazy computations were removed and the types <code class="fsharp"><span class="ci">Output</span></code> and <code
       class="fsharp"><span class="ci">Reply</span></code> unified. The new implementation is considerably simpler and also compiles with F# 1.9.3.7.
      </li>
      <li class="_2">Fixed a bug in <span class="tt">build.bat</span> (reported by Santosh Zachariah ‐ thanks Santosh!)</li>
     </ul>
    </div>
   </div>
  </div>
  <div id="v0_4_4" class="section s3">
   <h2 class="title h3"><span>Version 0.4.4, 2008‒01‒13</span></h2>
   <div class="intro i3">
    <div class="para _1 lcinp">
     <ul class="l1">
      <li class="_1">fixed a minor issue in CharParser.attempt</li>
      <li class="_2">
       added <code class="fsharp"><span class="co">.&gt;&gt;!</span></code> and <code class="fsharp"><span class="co">&gt;&gt;.!</span></code>
       primitives
      </li>
      <li class="_3">
       added <code class="fsharp"><span class="ci">skipManySatisfy</span></code> and <code class="fsharp"><span
       class="ci">skipMany1Satisfy</span></code> char parsers
      </li>
     </ul>
    </div>
   </div>
  </div>
  <div id="v0_4_3" class="section s3">
   <h2 class="title h3"><span>Version 0.4.3, 2008‒01‒12</span></h2>
   <div class="intro i3">
    <div class="para _1 lcinp">
     <ul class="l1">
      <li class="_1">
       fixed bugs in the CharParser versions of <code class="fsharp"><span class="co">&lt;?&gt;</span></code> and <code class="fsharp"><span
       class="ci">attempt</span></code>.
      </li>
      <li class="_2">added <code class="fsharp"><span class="co">&gt;&gt;?</span></code> primitive</li>
      <li class="_3">
       added <code class="fsharp"><span class="ci">skipSatisfy</span></code> and <code class="fsharp"><span class="ci">skipSatisfyL</span></code> char
       parsers
      </li>
      <li class="_4">minor documentation fixes</li>
     </ul>
    </div>
   </div>
  </div>
  <div id="v0_4_2" class="section s3">
   <h2 class="title h3"><span>Version 0.4.2, 2008‒01‒04</span></h2>
   <div class="intro i3">
    <div class="para _1 lcinp">
     <ul class="l1">
      <li class="_1">
       performance improvements in <code class="fsharp"><span class="ci">CharStream</span><span class="cm">.</span><span
       class="ci">Iterator</span></code>
      </li>
      <li class="_2">minor documentation fixes</li>
     </ul>
    </div>
   </div>
  </div>
  <div id="v0_4_1" class="section s3">
   <h2 class="title h3"><span>Version 0.4.1, 2008‒01‒02</span></h2>
   <div class="intro i3">
    <div class="para _1 lcinp">
     <ul class="l1">
      <li class="_1">documentation fixes</li>
      <li class="_2">new sample application: a parser for Parsing Expression Grammars</li>
      <li class="_3">
       <code class="fsharp"><span class="ci">newline</span></code> and <code class="fsharp"><span class="ci">unicodeNewline</span></code> now return
       <code class="fsharp"><span class="cc"><span class="cld">'</span><span class="ce">\n</span><span class="crd">'</span></span></code>, instead of
       1 or 2
      </li>
      <li class="_4">
       added <code class="fsharp"><span class="ci">whitespace</span></code> parser and changed <code class="fsharp"><span
       class="ci">unicodeWhitespace</span></code>
      </li>
      <li class="_5">
       added <code class="fsharp"><span class="ci">spaces</span></code> parser (equivalent to <code class="fsharp"><span
       class="ci">skipManyChars</span> <span class="ci">whitespace</span></code>)
      </li>
      <li class="_6">
       removed <code class="fsharp"><span class="ci">newlineRepl</span></code> parameter from <code class="fsharp"><span
       class="ci">manyTillString</span></code>
      </li>
      <li class="_7">
       added <code class="fsharp"><span class="ci">skipManyTill</span></code> and <code class="fsharp"><span
       class="ci">skipManyCharsTill</span></code>
      </li>
      <li class="_8">generalized types of skipManyChars and skipManyChars1</li>
     </ul>
    </div>
   </div>
  </div>
  <div id="v0_4" class="section s3">
   <h2 class="title h3"><span>Version 0.4.0, 2007‒12‒30</span></h2>
   <div class="intro i3">
    <div class="para _1">
     <p>Initial public release</p>
    </div>
   </div>
  </div>
 </div>
 </div>
 </div>
 </div>
</body>
</html>