" Help extensions for luarefvim
" This is somewhat based on CRefVim
" Maintainer: Luis Carvalho <lexcarvalho@gmail.com>
" Last Change: May, 26, 2005
" Version: 0.1

" add three syntax classes: bold, emph (italic) and code -- similarly to html
syn match helpIgnoreBold     "#[a-zA-Z0-9&()\`\'\"\-\+\*=\[\]\{\}\.,;: ]\+#" contains=helpMatchBold
syn match helpMatchBold      "[a-zA-Z0-9&()\`\'\"\-\+\*=\[\]\{\}\.,;: ]\+"   contained
syn match helpIgnoreEmph     "@[a-zA-Z0-9&()\`\'\"\-\+\*=\[\]\{\}\.,;: ]\+@" contains=helpMatchEmph
syn match helpMatchEmph      "[a-zA-Z0-9&()\`\'\"\-\+\*=\[\]\{\}\.,;: ]\+"   contained
" this match is the same as in CRefVim's help.vim (that is, uses $$):
" the idea is to keep some degree of portability.
syn match helpIgnoreCode     "\$[a-zA-Z0-9@\\\*/\._=()\-+%<>&\^|!~\?:,\[\];{}#\`\'\" ]\+\$" contains=helpMatchCode
syn match helpMatchCode      "[a-zA-Z0-9@\\\*/\._=()\-+%<>&\^|!~\?:,\[\];{}#\`\'\" ]\+"   contained

" syn high links
hi def link helpIgnoreBold     Ignore
hi def link helpIgnoreEmph     Ignore
hi def link helpIgnoreCode     Ignore
hi def link helpMatchBold      Function
hi def link helpMatchEmph      Special
hi def link helpMatchCode      Comment