The RTF file that is generated includes HTML codes (numeric character entity references) for apostrophes and other characters. See attached file for example.
I made a temporary fix using string substitution; I am still searching out the rails way to keep certain character codes from leaking through.
Fixed Issue #82 (character codes showing on export) using "cgi" in the show.txt.erb and show.rtf.erb files.
fixed issue #82: character codes showing in text/rtf xport
I thought this was fixed, but I'm still seeing character entities for accented characters (eg ü for umlauted "u") and spaces ( ) in the exported RTF file.