Log Message:
Update to 3.18. From the changelog:

-filenames without extension (ie. makefile) can be mapped in filetypes.conf
  (suggested by Sam Craig)
-fixed Rexx highlighting
-added GDB language definition (thanks to A. Aniruddha)
-added the.theme (thanks to Mark Hessling)

-updated astyle code to release 2.04
-added astyle reformatting styles google, pico and lisp
-improved raw string parsing in cs.lang (patch by smdn.jp)
-added regex recognition in js.lang (patch by Troy Sankey)
-added PDF language definition (thanks to Roland Hieber)

-fixed debug output in sh.lang (https://sourceforge.net/p/syntaxhighlight/bugs/9/)

-updated astyle code to release 2.03
-added heredoc string literal parsing for Lisp, Perl, PHP, Ruby and Bash
-revised several language definitions
-added DataDir::searchDataDir for the Perl SWIG bindings (thanks to David Bremner)
-added SWIG PHP binding (patch by G. Wijaya)

-updated Diluculum code to release 1.0 (support of Lua 5.2)
-patched Diluculum to support Lua 5.1 and 5.2
-added support for Yang (thanks to A. Aniruddha)
-fixed Ruby definition

-added HeaderInjection and FooterInjection variables for syntax plug-ins
-fixed handling of CRLF files on Linux (suggested by William Bell)
-replaced single data directory by a dynamic config file search; see README
  (suggested by Daniel)
-added plug-ins outhtml_parantheses_matcher.lua, outhtml_keyword_matcher.lua
-CLI: added --list-scripts option
-CLI: marked --data-dir, --list-langs, --list-themes options as deprecated
-CLI: removed --add-config-dir option

-added support for Crack (thanks to Conrad Steenberg)
-added XML shebang regex (thanks to Ferry Huberts)
-added hints to makefile to deal with Lua 5.1 and LuaJIT system libs
-updated cpp_ref_gtk_gnome.lua plug-in
-updated cpp_ref_cplusplus_com.lua plug-in
-CLI: fixed segfault if --force was applied and unknown files were parsed
  (thanks to Jussi Judin)
-GUI: fixed unselected theme after first program start

-CSS class name is omitted in HTML output if class-name option is set to NONE
-added support for highlighting of string interpolation
-added support for Dart and TypeScript
-fixed SWIG module
-GUI: added Simplified Chinese translation (thanks to Love NoAny)

-replaced Pattern/Matcher classes by the Boost xpressive library
   (now swig example is broken)
-updated Relax NG syntax (thanks to Roger Sperberg)
-added new oxygenated theme (thanks to Roger Sperberg)
-fixed highlight.pro to include correct lua5.1 paths
-GUI: fixed shebang recognition

-fixed HTML ordered lists to improve copy&paste in browsers (suggested by Nash)
-changed default output from HTML 4.01 to HTML5
-changed default HTML font family to include the generic monospace font
-added ODT Flat XML output format (--out-format=odt)
-added fontenc package in LaTeX output (patch by Yimin Li)
-fixed RTF hyperlink output in several plug-ins
-removed ctags option (functionality was replaced by plug-in)
-CLI: added --wrap-no-numbers option (patch by Michael Enßlin)
-GUI: replaced Qt file dialogs by native dialogs

-enhanced the plug-in interface (added Decorator function and Injections property)
-added several example plug-ins which show how to add keyword links to online
  references (e.g. cplusplus.com, perldoc.perl.org, qtproject_org)
-added ctags plugin (ctags_html_tooltips.lua)
-improved Perl and N3 definitions (thanks to Heiko Jansen)
-CLI: marked --ctags-file option as deprecated
-CLI: added --plug-in-read option to define an input file for plug-ins
-CLI: fixed file suffix recognition
-GUI: added input field for a plug-in input file
-GUI: fixed initial input tab selection
-GUI: set initial font selection to Courier

-updated astyle code to release 2.02.1
-fixed SWIG perl binding makefile (patch by David Bremner)
-fixed shebang recognition (patch by Georgios M. Zarkadas)
-fixed file suffix recognition (patch by Georgios M. Zarkadas)
-fixed memory leak in astyle's ASFormatter (patch by MENG Wei)

-added support for Biferno (thanks to Sandro Bilbeisi)
-added support for RPL (thanks to Frank Seidinger)
-added support for Ceylon
-fixed Ruby definition
-HTML font string may contain a list of fonts, which is not enclosed in quotes
   (suggested by Sebastiano Poggi)
-GUI: added --portable command line option to save config files in the current
   working directory instead of the user directory (suggested by Royi Avital)
-GUI: fixed some language mappings

-added support for UPC (thanks to Viraj Sinha)
-added support for N3, N-Triples, Turtle, SPARQL (suggested by  Heiko Jansen)
-added Solarized color theme (thanks to Steve Huff)
-fixed OCaml definition (thanks to Kakadu Hafanana)
-fixed camo colour theme
-removed sienna and desertEx colour themes
-CLI: fixed segfault with --print-style option
-GUI: added "Dock floating panels" checkbox in the main menu

-updated astyle code to release 2.02
-fixed --force option (thanks to Stefan Bühler)

-added support for ABC, Algol, AS/400 CL, BCPL,  Limbo, Gambas, JavaFX,
   RPG, Transact-SQL, PL/Perl, PL/Tcl, PL/Python, Charmm
-fixed web plugins (Serendipity, DokuWiki, Wordpress)
-fixed BBCode closing tag order
-GUI: Updated Czech translation (thanks to Pavel Fric)

-updated astyle code to release 2.01
-fixed overwriting of files with the same name in recursive batch mode
  (thanks to Ramanathan U.)
-added DataDir class to SWIG interface (patch by David Bremner)
-added Andes theme (thanks to Roger Sperberg)
-enabled deprecated @highlight pass-through (suggested by David Bremner)
-dropped oceandeep theme
-updated documentation

-added plug-in function AddKeyword (suggested by Michael Serrano)
-language definitions are cached instead of being reloaded if input syntax
  changes
-added keyword group ID parameter to the plug-in function OnStateChange
-added plug-in script bash_functions.lua
-added theme description in output style's comment
-added enum and union keywords in c.lang (thanks to Thiago)
-added dl linking flag in Makefile to fix Debian build error
  (thanks to Michael Serrano)
-added NDEBUG flag in makefile to disable asserts
-GUI: Added Czech translation (thanks to Pavel Fric)

-updated Diluculum to version 0.5.3
-fixed README
-fixed conversion without highlighting (--syntax txt)
-fixed msxml definition (thanks to Andrei Rosca)
-added edit-flashdevelop theme (thanks to Andrei Rosca)
-CLI: fixed minor bugs

-added --config-file option
-CLI: fixed minor bugs
-GUI: renamed output specific options tab
-GUI: remember state of the dock panel

-moved plugin scripts from examples to new plugins directory
-fixed web_plugin path in makefile (thanks to Jochen Schmitt)
-fixed SWIG interface and example scripts
-improved converted VIM colour themes
-improved several language definitions (Fortran77, Zonnon,
   Basic, Verilog, Squirrel, R)
-added new plugins (java_library.lua, theme_invert.lua)
-GUI: added plug-in description label
-GUI: moved setting controls into a dock panel

-enabled loading of multiple plugins
-added MXML language definition (suggested by Neal Delfeld)
-fixed HTML, XML, CSS, Actionscript and JavaScript definitions
-converted 60 popular VIM colour themes

-language definitions, themes, filetypes.conf were converted to Lua scripts
  (try examples/*2to3.py to convert old files)
-added --plug-in option to enable user scripts
-renamed *.style files to *.theme
-moved include files from src/core to src/include
-moved examples/plugins to examples/web_plugins
-renamed --linenumbers to --line-numbers
-renamed several language definitions and themes
-fixed several string delimiter issues (Ruby, Lua)
-changed default theme for xterm256 output to edit-vim-dark
-changed short options: -O is --out-format, -d is --out-dir, -T is --doc-title
-disabled --mark-line feature
-disabled --add-data-dir feature
-disabled separate output format options (use --out-format instead)
-disabled XML output (use SVG or XHTML)
-New dependencies: Lua5.1-devel, Boost Headers (Bind)

-updated astyle code to release 1.24
-added indentation styles 1tbs and horstmann
-added --no-trailing-nl switch (suggested by Adiel Mittmann)
-added Modula2 definition (thanks to Benjamin Kowarsch)
-added EBNF definition (thanks to Mate Ory)
-added ABNF, AutoHotKey, BBCode and Clean language definitions
-updated C++ definition to support C++0x syntax
-added StartupNotify switch in desktop file (patch by Jochen Schmitt)

-improved HTML nested language patterns (thanks to Simone)
-improved Rexx and PL1 definitions (thabnks to Robert Prins)
-added support for NXC and NBC
-GUI: added copy and paste support (thanks to Torsten Flammiger)
-GUI: fixed preview of UTF-8 input

-fixed Rexx output (thanks to Marc Hessling)
-added support for Go and Pure
-added support for BNF (thanks to Julien Fontanet)
-updated Logtalk definition (thanks to Paulo Moura)
-updated THE theme  (thanks to Marc Hessling)
-CLI: --quiet switch supresses "Unknown source file extension" error
  (suggested by Nathan Gray)

-fixed SVG output (thanks to Xico)
-GUI: added new icon

-fixed bug with $INCLUDE statement
-fixed ctags file parsing
-added nested language recognition within a source file (suggested by Pavel Striz)
-added $NESTED statement to language definitions (pas, html, tex)
-added support for F# (fs.lang)
-added support for haXe (hx.lang)
-improved various language definitions
-revised documentation
-LIB: added version to shared lib output name
-CLI: added options --start-nested and --print-style

-added BBCode output option (--bbcode, suggested by Qui Peccavit)
-added new --delim-cr option to cope with MacOS 9 files
  (suggested by Steven Haddock)
-added shared lib target (make lib-shared, suggested by Dario Teixeira)
-list of installed languages (--list-langs) was enhanced to include mapped file
  extensions (suggested by Martin Kammerlander)
-improved many colour themes using Agave (agave.sf.net)

-fixed CR parsing bug on MacOS (thanks to Shiro Wilde)
-fixed SWIG makefile (thanks to David Bremner)
-license changed from GPLv2 to GPLv3 (incl. included libs)
-updated Artistic Style lib to version 1.23
-new indentation schemes: stroustrup, whitesmith, banner
-removed indentSchemes and helpmsg directories
-removed README_INDENT
-replaced ide-devcpp theme by a new jedit theme
-added support for Interactive Data Language (idlang, thanks to Roberto
  Mendoza)
-added support for Rebol, Oz, Mercury, Zonnon, ATS (Applied Type System),
  CHILL, NetRexx, Inno Setup and INTERLIS
-added pp, rjs, jnlp, groovy, gnad, es, sblc, ooc, gst, sq extensions
  to filetypes.conf
-improved Prolog, Pike, Oberon, Nice, Java, Lisp, Lua, Haskell, C# and SML
  definitions
-improved spec.lang for RPM (thanks to Luoyi Ly)
-CLI: option --help-lang is deprecated
-API: dropped setSpecialOptions(), renamed initializing methods to init*

-added more customized boxes for the LaTeX --pretty-symbols switch
  (thanks to Romain Francois)
-GUI: fixed makefile to pass costum paths to the Qt project makefile
  (thanks to Joerg Germeroth)
-GUI: reduced window height (thanks to Fidel Barrera)
-GUI: added Spanish translation (thanks to Fidel Barrera)
-GUI: added drag and drop for input files

-added --pretty-symbols option to improve LaTeX output quality of tilde and
  braces (thanks to Romain Francois)
-omitted warning message if --syntax parameter is contained in the --skip list
  (thanks to Bob Smith)
-included language descriptions in --list-langs output
-dropped dependency of --replace-quotes and --fragment options
-enhanced Python SWIG example (testmod.py)
-added qmake language definition
-fixed SWIG scripts (thanks to David Bremner)
-fixed gcc 4.4 compilation (patch by Jochen Schmitt)
-dropped core/html32generator.*
-dropped src/gui (wxWidgets based interface)
-GUI: rewrote the user interface using Qt