* ADA - AD
* APPLESCRIPT - S
* AS
* ASM - AM
* ASP - AP
* ASPNET - AN
* BibTeX - BT
* C#
* C++ - C+ or CP
* C
* CGI - CG
* CONFIG - CF
* CSS - CS
* DIFF - DF
* DTD - DT
* DYLAN - DY
* ERLANG - ER
* F-SCRIPT - FS
* FORTRAN - F
* GTD - GD
* H++
* H
* HASKELL - HK
* HTML - HM -- this one I am unhappy with
* ICAL - IC
* INC - NC
* INI - IN
* IO
* JAVA - JV
* JS
* JSP - JP
* LISP - LS or λ
* LOG - LG
* LOGO - LO
* LUA - LU
* MARKDOWN - MD
* MODULA - MO
* OBJ-C++ - MM
* OBJ-C - M
* OCAML - OC
* PASCAL - PC
* PATCH - PA
* PERL - PL
* PHP - PH
* PLIST - PT
* PS
* PYTHON - PY
* R
* REMIND - RM
* REST - RE
* RHTML - RH
* RUBY - RB
* SCHEME - SC or λ
* SETEXT - SE
* SHELL - SH
* SLATE - SL
* SML - SM
* SQL - SQ
* STRINGS - ST
* SVG - SV
* SWIG - SG
* TCL - TC
* TEXT - TX
* TEXTILE
* TeX - Te
* VB
* VCARD - VC
* WIKI - W
* XHTML - XH
* XML - X
* XSL - XS
* YAML - YM