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" Wrapper to emulate the nicer has() syntax for simultaneous version and patch
" level checking that was introduced in v7.4.236 and fixed in v7.4.237.
"
" * <https://github.com/vim/vim/releases/tag/v7.4.236>
" * <https://github.com/vim/vim/releases/tag/v7.4.237>
"
function! patch#(version) abort
" If we're new enough, we can just run the native has()
if has('patch-7.4.237')
return has('patch-'.a:version)
endif
" Otherwise, we need to start splitting and comparing numbers
let [major, minor, patch] = split(a:version, '\.')
" The v:version variable looks like e.g. 801 for v8.1
let l:version = major * 100 + minor
" If the version numbers are the same, return whether we have the patch;
" otherwise, return whether the version
"
return v:version == l:version
\ ? has('patch-'.patch)
\ : v:version > l:version
endfunction
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