Shell
    filter remove_matches ^\s*#
    extension bash
    extension csh
    extension ksh
    extension sh
    extension tcsh
    script_exe bash
    script_exe csh
    script_exe ksh
    script_exe sh
    script_exe tcsh
    3rd_gen_scale 3.81
C
    filter remove_matches ^\s*//
    filter call_regexp_common C
    extension c
    extension ec
    extension pgc
    extension xs
    3rd_gen_scale 0.77
C++
    filter remove_matches ^\s*//
    filter call_regexp_common C
    extension C
    extension cc
    extension cpp
    extension cxx
    extension pcc
    3rd_gen_scale 1.51
C/C++ Header
    filter remove_matches ^\s*//
    filter call_regexp_common C
    extension H
    extension h
    extension hh
    extension hpp
    extension hxx
    3rd_gen_scale 1.00
CSS
    filter call_regexp_common C
    extension css
    3rd_gen_scale 1.00
DTD
    filter remove_html_comments
    filter call_regexp_common HTML
    extension dtd
    3rd_gen_scale 1.90
Fortran 77
    filter remove_f77_comments
    extension F
    extension F77
    extension f
    extension f77
    extension pfo
    3rd_gen_scale 0.75
Fortran 90
    filter remove_f77_comments
    filter remove_f90_comments
    extension F90
    extension f90
    3rd_gen_scale 1.00
Fortran 95
    filter remove_f77_comments
    filter remove_f90_comments
    extension F95
    extension f95
    3rd_gen_scale 1.13
Haskell
    filter remove_haskell_comments >filename<
    extension hs
    extension lhs
    3rd_gen_scale 2.11
Java
    filter remove_matches ^\s*//
    filter call_regexp_common C
    extension java
    3rd_gen_scale 1.36
Javascript
    filter remove_matches ^\s*//
    filter call_regexp_common C
    extension js
    3rd_gen_scale 1.48
Lisp
    filter remove_matches ^\s*;
    extension cl
    extension el
    extension jl
    extension lsp
    extension sc
    extension scm
    3rd_gen_scale 1.25
Lua
    filter remove_matches ^\s*\-\-
    extension lua
    script_exe lua
    3rd_gen_scale 4.00
NAnt scripts
    filter remove_html_comments
    filter call_regexp_common HTML
    extension build
    3rd_gen_scale 1.90
Objective C
    filter remove_matches ^\s*//
    filter call_regexp_common C
    3rd_gen_scale 2.96
PHP
    filter remove_matches ^\s*#
    filter remove_matches ^\s*//
    filter call_regexp_common C
    extension php
    extension php3
    extension php4
    extension php5
    3rd_gen_scale 3.50
Perl
    filter remove_below ^__(END|DATA)__
    filter remove_matches ^\s*#
    filter remove_below_above ^=head1
    extension PL
    extension perl
    extension pl
    extension plh
    extension plx
    extension pm
    extension amc
    script_exe perl
    script_exe perl5
    3rd_gen_scale 4.00
XML
    filter remove_html_comments
    filter call_regexp_common HTML
    extension XML
    extension xml
    3rd_gen_scale 1.90
XSLT
    filter remove_html_comments
    filter call_regexp_common HTML
    extension XSL
    extension XSLT
    extension xsl
    extension xslt
    3rd_gen_scale 1.90
make
    filter remove_matches ^\s*#
    extension Gnumakefile
    extension Makefile
    extension am
    extension gnumakefile
    extension makefile
    filename Gnumakefile
    filename Makefile
    filename gnumakefile
    filename makefile
    filename export2sub
    filename needs_libs
    script_exe make
    3rd_gen_scale 2.50
sed
    filter remove_matches ^\s*#
    extension sed
    script_exe sed
    3rd_gen_scale 4.00
yacc
    filter call_regexp_common C
    extension y
    3rd_gen_scale 1.51
AISC
    filter remove_matches ^\s*#
    extension pa
    extension aisc
    3rd_gen_scale 0.77
GDE-Menu
    filter remove_matches ^\s*#
    extension menu
    3rd_gen_scale 1.00
ARB-Export-Filters
    filter remove_matches ^\s*#
    extension eft
    3rd_gen_scale 1.00
ARB-Import-Filters
    filter remove_matches ^\s*#
    extension ift
    3rd_gen_scale 1.00
ARB-GUI-Layout
    filter remove_matches ^\?
    extension fig
    3rd_gen_scale 1.00
