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" Vim filetype plugin
" Language: HLS/M3U Playlist
" Maintainer: AvidSeeker <avidseeker7@protonmail.com>
" Last Change: 2024 Jul 07
"
if exists("b:did_ftplugin")
finish
endif
let g:did_ftplugin = 1
setlocal commentstring=#%s
let b:undo_ftplugin = "setl commentstring<"
function! M3UFold() abort
let line = getline(v:lnum)
if line =~# '^#EXTGRP'
return ">1"
endif
return "="
endfunction
function! M3UFoldText() abort
let start_line = getline(v:foldstart)
let title = substitute(start_line, '^#EXTGRP:*', '', '')
let foldsize = (v:foldend - v:foldstart + 1)
let linecount = '['.foldsize.' lines]'
return title.' '.linecount
endfunction
if has("folding")
setlocal foldexpr=M3UFold()
setlocal foldmethod=expr
setlocal foldtext=M3UFoldText()
let b:undo_ftplugin .= "|setl foldexpr< foldmethod< foldtext<"
endif
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