I've created a local syntax file def.vim and saved in ~/.vim/syntax.
First it's working, but just after I closed gvim and several other windows, it stops working.
First I checked :scriptnames
. Local def.vim is loaded.
Just don't understand why suddenly it stops working.
Below is local def.vim.
" Vim syntax file
" Language: DEF
" def register definition
if exists("b:current_syntax")
finish
endif
" let s:cpo_save =" &cpo
" set cpo&vim
" case is not significant
syn case ignore
" def keywords
syn keyword defStatement endf endg endr
syn keyword defStatement field
syn keyword defStatement group
syn keyword defStatement register
syn keyword defStatement version
" syn match defStatement "\<\(field\|endf\)\>"
" syn match defStatement "\<\(register\|endr\)\>"
" syn match defStatement "\<\(group\|endg\)\>"
" " Predefined VHDL types
" syn keyword defType desc title default split readonly
" syn match defVector "0B[01_]\+"
" syn match defVector "0O[0-7_]\+"
syn match defVector "0X[0-9a-f_]\+"
syn match defVector "\[[0-9]\+ \.\. [0-9]\+\]"
" syn match defCharacter "'.'"
" syn region defString start=+"+ end=+"+ contains=@Spell
" syn match defComment "--.*$" contains=@Spell
" syn match defComment "{.*}" contains=@Spell
let b:current_syntax = "def"
" let &cpo = s:cpo_save
" unlet s:cpo_save
:syntax
command you're using to confirm the syntax items exists also show you how the matches will be highlighted: thexxx
item near the start of the line shows that no highlighting has yet been applied.syntax on
will prevent custom rules from working. I'm yet to understand why.