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Improve regexp performance of italic
[etc/vim.git] / syntax / markdown.vim
index ec12ef6a004fd99043f0ca523c60a278007d5782..452a71730516c863e03cdedd671acf52bebbf9f7 100644 (file)
@@ -35,8 +35,8 @@ syn case ignore
 syn sync linebreaks=1
 
 "additions to HTML groups
-syn region htmlItalic start="\\\@<!\*\ze\S" end="\S\zs\\\@<!\*" keepend oneline
-syn region htmlItalic start="\(^\|\s\)\@<=_\|\\\@<!_\([^_]\+\s\)\@=" end="\S\@<=[^\\]_\|[^\\]_\S\@=" keepend oneline
+syn region htmlItalic start="\\\@<!\*\ze[^\\\*\s]" end="[^\\\*\s]\zs\*" keepend oneline
+syn region htmlItalic start="\\\@<!_\ze[^\\_\s]" end="[^\\_\s]\zs_" keepend oneline
 syn region htmlBold start="\*\*\ze\S" end="\S\zs\*\*" keepend oneline
 syn region htmlBold start="__\ze\S" end="\S\zs__" keepend oneline
 syn region htmlBoldItalic start="\*\*\*\ze\S" end="\S\zs\*\*\*" keepend oneline