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idlwave / CHANGES

This is the CHANGES file of the IDLWAVE distribution, version 4.15 

The file covers only the changes for Revision 3.0 and later.  Earlier
changes are documented in the (obsolete) files idl.el and
idl-shell.el, available at idlwave.org.

Revision 4.15
   - Routine info for routines with multi-threading keywords is now
     displayed correctly, and these keywords are linked in online
   - Fixed bug in Makefile causing trouble compiling when using older
     versions of help.
   - Filename completion in the shell works more cleanly without
     corruption, and can now complete blank filenames in the local
     directory (e.g. open,'[Tab]).
   - Filename completion in the shell now works after "@" batch
   - Better handling of obscure syntax errors.
   - A special loadable module (`idlw-roprompt') allows Emacs 21 users
     to make the "IDL>" prompt read-only.
   - Bug fix: All tags are now found for tag completion on self, and
     in other structures when the optional completion module
     `complete-struct-tag' is used.
   - Bug fix: alignment on the `=' of an assignment now permits a more
     complicated LHS (e.g. a.(0)[1]=...).  
   - Fixed bug when using multi-word abbreviations like "\ei": an
     erroneous begin-end block matching error was being issued.
   - Fixed system variable tag completion bug when using
     idlw-complete-structtag for easy structure completion.
   - Breakpoints are now temporarily disabled when using "Continue to
     Here" and "Continue to End of Block", ensuring this always works
   - Added custom variable for controlling how much of the background
     communication between buffer and shell is displayed
     (`idlwave-shell-show-commands').  You can even turn on
     'everything to get a peek behind the curtain.
   - By default, object method and method keyword completions in the
     shell now query the shell for the object class during the
     completion.  E.g. "a=obj_new("idl_container") & a->[Tab]" will
     automatically learn that "a" is an IDL_CONTAINER object and offer
     the correct procedure methods.
   - You can now set a conditional breakpoint with a simple prefix arg
     to the breakpoint command (i.e. [C-u C-c C-d C-b]), which will
     prompt you for the IDL expression.
   - Fixed bug when completing procedure methods on multi-statement
   - When completing class structure tags (self.[Tab]), or regular
     structure (via idlw-complete-structtag) you can now right click
     on the tags in the completion buffer to pull up their definition
     in the help window.  Context help also works on class structure
   - Class structure tags from superclasses are labelled with the
     class in the *Completions* buffer.
   - Bug fix for indenting continuation lines which contain "pro" or
     "function" somewhere within their argument list.

Revision 4.14
   - More sensible handling of multiple *Examine* buffer windows,
     allowing permanent resizing of windows.
   - "q" in an *Examine* window closes it, and "c" clears the old contents.
   - Continued statements at the end of a multi-line statement (with
     `&') have continuation indent correctly calculated.
   - Continued qualified method procedure calls now indented correctly.

Revision 4.13
   - Security improvement for temporary files.
   - New convenience routine for creating abbreviations.
   - Much-improved indentation for multi-line comments in function and
     procedure calls, structure definitions, etc.... no more lines
     with "$" only required.
   - Continued routine calls and definitions, structure and class
     definitions, and assignment statements now line up on the first
     non-blank character after the opening punctuation.  To save
     space, this can be disabled for indentation shifts larger than a
     configurable value, in which case IDLWAVE still attempts to keep
     things neat.
   - Bug fix: improper alignment when splitting strings fixed.
   - Bug fix: keyword completion in continued function calls which are
     themselves continued fixed. 
   - Bug fix: keyword completion failed for class::Init in obj_new(),
     if routine completion-case set to any other than 'preserve or
   - Several new abbreviations and updated easy abbrev customization.
   - Procedures on lines with multiple statements (using `&') are now
     treated correctly for routine info and help.
   - Custom "examine" commands can be created easily using two new
     macros, for binding to keys or mouse clicks.  
   - Variable/expression print, help, and other examine commands now
     work in the shell as well as the buffer.
   - A new examine mouse binding pops-up a customizable list of
     examine functions to apply to the expression selected.

Revision 4.12
   - New support for Speedbar.
   - Bug fix in explicit class name completion/help/routine info:
     a->b::c now completes correctly.

Revision 4.11
   - New configureable class-driven keyword inheritance in Completion
     for common methods (like Init, and (Get|Set)Property) which chain
     keyword inheritance up the class stack.
   - Bug fix for space padding: the method invocation operator,"->",
     will now be padded immediately upon entry, if
     `idlwave-surround-by-blank' is non-nil.
   - Bug fix in generic END expansion: faulty capitalization was
     occuring when END expansion was coupled with reserved word
   - Numerous documentation improvements, including a description of
     the structure tag completion plug-in.

Revision 4.10
   - New maintainer: J.D. Smith <jdsmith at as.arizona.edu>
   - Compatible with IDL v5.5's  new breakpoint listing
     format, along with the older format.
   - Updated routine info for new routines and new keywords to
     existing routines, taken from the `What's New' document shipped
     with the IDL v5.5 release.  
   - Updated online help text, from the `What's New' document.
   - The get_rinfo script can now take a `fixup' file for adding
     updated help and routine info material.
   - New frame creation handled better with quick shell (idlwave-shell
   - A few updates for better Emacs 21 compatibility.

Revision 4.9
   - Idle time is used to automatically initialize the routine info.
     See new variable `idlwave-init-rinfo-when-idle-after'.
   - When using the mouse to print variables an expressions, you now
     can also drag over a region to define the expression to print.
   - Before doing file name completion in the shell, the Emacs working
     directory is switched to the current IDL working directory.
   - The IDL procedure "BEEP" works again in the IDLWAVE Shell.
   - Fixed display problem with multiple frames.
   - In places where completion defaults to *keywords*, you can force
     function name completion with a C-u prefix to M-TAB.
   - Some bugs fixed.

Revision 4.8
   - The shell preserves the command history between sessions.  See
     new variables `idlwave-shell-command-history-file' and
   - New variable `idlwave-indent-to-open-paren' which can be used to
     turn off deep indentation of continuation lines.  Example:
        x = function_a(function_b(function_c( a, b, $
                                              d, c)))
   - The library catalog can be updated with a background job so that
     you can continue to work while it runs.
   - A double prefix argument to `idlwave-shell-print' evaluates
     and prints the current region as an expression.
   - When the IDL process under the shell exits, it runs
   - Fixed bug with deleting last window on IDL exit.
   - Fixed bug (exponential regexp) with parsing Liam Gumley's routine

Revision 4.7
   - New way to define key bindings for debugging commands
     See variable `idlwave-shell-debug-modifiers'.
   - Variable `idlwave-shell-activate-alt-keybindings' obsolete.
   - Tutorial added to the documentation.
   - Bugfix with !PATH query under Solaris (Craig Markwardt)

Revision 4.6
   - Shell window more like xterm:
     - show as much output as possible
     - up and down arrows do history stuff (see new variable
   - Routine info and help files updated to IDL 5.4
   - Support for the new IDL statements (SWITCH, BREAK, CONTINUE)
   - Bugfix for shell printing of identifiers with `!' and `.'
   - File name completion in strings in buffers, similar to the shell.
   - Fixed file name completion with a dash in file names.
   - Font-lock enhancements in structure definitions: Structure name
     and tag names.
   - END is replaced by ENDIF etc already when indenting a line with TAB.
   - Fixed bug with parsing of routine definition if comment lines are
     scallered between continuation lines.
   - `idlwave-close-block' and `idlwave-abbrev-change-case'
     interaction bug fixed.
   - Routine info and source lookup switch to INIT automatically when
     the cursor is in keyword section of an OBJ_NEW call.
   - Fixed BUG with getting system variable info from the Shell under
     IDL5.2 and earlier.  Used to produce a compilation error, now
     just silently fails.

Revision 4.5
   - Bug fixed with structure parsing in CLASS__define procedures.

Revision 4.4
   - IDLWAVE understands inheritance in all important contexts.
   - Completion of system variables and their tags.
   - Completion of class structure tags on "self" variables.

Revision 4.3
   - The IDL procedure "BEEP" works in the IDLWAVE Shell
   - Fixed bug with dedicated shell frame display under Emacs
     (patch from Stein Vidar Hagfors Haugan <shaugan@esa.nascom.nasa.gov>)

Revision 4.2
   - Fixed bug with context-help when at end-of-buffer.
   - Ambiguous kwd abbrev and non-existent in online help kwd
     now ring the bell.
   - Toggling the toolbar causes a redraw-frame on Emacs (21 only).
   - Allow for space between a function and `('.
   - Forcing completion type with prefix arg to M-TAB fixed in the shell.
   - Fixed bug when exiting shell with *idl* as the only window.
   - The class of object "self" is assumed of be the current routines class.

Revision 4.1
   - Fixed bug in which unresolved routines could shadow catalog entries.
   - Fixed the incorrect installation instructions in README.hlp.
   - Online help for non-system stuff makes use of the DocLib file header.
   - Abbreviated keywords are treated correctly for online help.
   - Source files displayed as online help can be fontified
     (off by default, see variable `idlwave-help-fontify-source-code').
   - Multiple definitions of a routine in one file count as shadowing.
   - Facility to send single characters to interact with GET_KBRD (see manual)
   - The shell defines a system variable !IDLWAVE_VERSION, which can
     be used by a program to detect if it is running under Emacs or not.
   - More efficient way of querying the shell for routine info.
   - Fixed bug in get_rinfo -> 10 mode keywords recognized.
   - Fixed bug with translation of help topics.
   - Fixed bug for completion context after continuation lines.
   - Fixed bug with Keyword insertion after `(' from Routine Info Window.

Revision 4.0
   - Fast and accurate IDL online help.  Two additional files need to
     be installed, they are not part of the standard distribution.
     Help is triggered with `M-?', and by clicking with mouse-3 on
     items in the Routine Info buffer or in *Completions*.
   - Global IDL namespace analysis to produce a list of routines
     with definitions in several files.
   - Clicking on a keyword in the routine-info buffer inserts
     the keyword in the buffer from which `C-c ?' was called.
   - More intelligent completion in OBJ_NEW calls.
   - Class completion after PRO and FUNCTION.
   - Abbrev expansion in the shell.
   - `idlwave-pad-keywords' can also have a value `keep'.
   - `idlwave-scan-all-buffers-for-routine-info' can also have value
     `current' to scan only the current buffer but no other buffers. 

Revision 3.15
   - Printing expressions while execution is halted can now also
     access all levels on the calling stack.
   - Padding of long operators (like `->') is now possible.  The
     object arrow `->' has been added to the defaults - when
     `idlwave-do-actions' is non-nil, `->' will have at least one
     space before and after it.
   - Code templates now respect settings of `idlwave-abbrev-change-case'
     and `idlwave-reserved-word-upcase'.
   - Fixed bug with `idlwave-pad-keywords' in procedure method calls.
   - Fontification of keyword parameters works with embedded comments.

Revision 3.13
   - Minor cleanup.

Revision 3.12
   - 3 files had to be renamed, in order to get IDLWAVE included in the 
     Emacs distribution:
      - idlwave-shell.el   -> idlw-shell.el
      - idlwave-rinfo.el   -> idlw-rinfo.el
      - idlwave-toolbar.el -> idlw-toolbar.el
     When installing this version, make sure to remove the old
     idlwave-*.el files and update the autoload for `idlwave-shell'.

Revision 3.11
   - Final cleanup before installing in the Emacs and XEmacs distributions.

Revision 3.10
   - Fixed bug with `idlwave-shell-automatic-start'.
   - Fixed bug with the info files.

Revision 3.9
   - Exiting the shell does not kill the *idl* buffer.
   - Shell prompt pattern allows single whitespace before "IDL>"

Revision 3.8
   - Library scan implemented for Windows and MacOS.  On these systems 
     the search path need to be given in `idlwave-library-path'.
   - *Completions* window disappears after successful completion.
   - Fixed library scan bug with keywords in continuations line.

Revision 3.7
   - Completion of Object methods finalized.
   - Exiting the IDLWAVE shell now kills all associated buffers and
     the dedicated frame (if applicable).
   - Documentation finalized.  The printed documentation is 24 pages.
     Available online in Emacs (info), as postscript and HTML.

Revision 3.6
   - You can make IDLWAVE prescan library files for routine info.

Revision 3.5
   - Completion and Routine Info display now also work for object
   - Completion and Routine Info display available in the IDLWAVE Shell.
   - Debugging Toolbar adapted for Emacs 21.
   - First draft of TeXInfo documentation.
   - Fixed bug with END expansion in CASE lists.

Revision 3.4
   - Fixed bug in Makefile with install-tags 
   - Fixed bug in with concat in XEmacs 21.x
   - Enforced FSF coding standards, to prepare for installation in
     main Emacs distributions.

Revision 3.3
   - `C-c ?' displays the calling sequence and keyword parameters of a
     routine.  Works for most builtin IDL routines, the routines you
     are currently editing, and the compiled routines in the idlwave-shell. 
   - `M-tab' completes procedure names, function names and keyword
     parameters in the buffer.  
   - New source file idlwave-rinfo.el contains the code for these new

Revision 3.2
   - The cleanup after the idl process finishes is now reliable and gets
     called exactly once.
   - Toolbar code moved to a separate source file.
   - Fixed bug with `display-buffer' in Emacs 19.

Revision 3.0
   File idlwave.el
   - New maintainer Carsten Dominik <dominik@strw.leidenuniv.nl>
   - Renamed mode and all variables and functions.  The new prefix is
     `idlwave-' instead of `idl-'.  This was necessary to evade a name
     clash with the idl-mode defined in `cc-mode.el' which is part of
     X/Emacs 20 distributions.
   - Added Customize support.
   - New commands `idlwave-beginning-of-block' and `idlwave-end-of-block'.
   - New command `idlwave-close-block'.
   - The type of END at the end of the block is checked.
   - Font-lock enhancements.  Multi-level fontification based on the
     value of `font-lock-maximum-decoration'.  Reunified the different
     expressions for Emacs and XEmacs.
   - `idlwave-show-begin' check the correctness of the END statement.
   - `idlwave-surround' exception for `->'.
   - Better listing of abbreviations with `idlwave-list-abbrevs'.
   - Some general cleanup of the code.  Menu reorganized.
   - Both imenu (Emacs) and func-menu (XEmacs) are now supported.
   - Dropped support for Emacs 18 and hilit19.el.
   - Rewrite of the docstring for the Mode.  Made more compact, to
     make more people read it.  Too long parts moved to the Commentary.
   - Revision number jumps to 3.0 to synchronize with idlwave-shell.el.

   File idlwave-shell.el
   - New maintainer Carsten Dominik <dominik@strw.leidenuniv.nl>
   - Renamed mode and all functions and variables to use `idlwave-' instead
     of `idl-' prefix. This was necessary to avoid a name clash with
     `idl-mode' which is defined in cc-mode.el.
   - Made the stop-line-overlay work for XEmacs as well.  Changed the
     associated face to 'highlight.
   - Breakpoint lines are highlighted with a glyph or a special face.
   - Debugging toolbar under XEmacs.
   - To get a special frame for the shell buffer, set the variable
     `idlwave-shell-use-dedicated-frame' to t, or call `idlwave-shell'
     with a prefix arg.  The hook suggested for in Revision 2.4 for
     the same purpose probably still works, but is no longer recommended.
   - Changed the default `idlwave-shell-use-truename' to nil, since we ensure
     now internally to not visit the same file twice under different names.
   - Menu reorganized.
   - Implemented a number of new commands.  Check the "Debug" menu.