diff options
Diffstat (limited to 'src/Text/Pandoc/Writers')
| -rw-r--r-- | src/Text/Pandoc/Writers/Markdown.hs | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/src/Text/Pandoc/Writers/Markdown.hs b/src/Text/Pandoc/Writers/Markdown.hs index cddc57850..24e50f0f7 100644 --- a/src/Text/Pandoc/Writers/Markdown.hs +++ b/src/Text/Pandoc/Writers/Markdown.hs @@ -179,19 +179,26 @@ valToYaml (SimpleVal x) | otherwise = if hasNewlines x then hang 0 ("|" <> cr) x - else if any hasPunct x + else if fst $ foldr needsDoubleQuotes (False, True) x then "\"" <> fmap escapeInDoubleQuotes x <> "\"" else x where + needsDoubleQuotes t (positive, isFirst) + = if T.any isBadAnywhere t || + (isFirst && T.any isYamlPunct (T.take 1 t)) + then (True, False) + else (positive, False) + isBadAnywhere '#' = True + isBadAnywhere ':' = True + isBadAnywhere '`' = False + isBadAnywhere _ = False hasNewlines NewLine = True hasNewlines BlankLines{} = True hasNewlines CarriageReturn = True hasNewlines (Concat w z) = hasNewlines w || hasNewlines z hasNewlines _ = False - hasPunct = T.any isYamlPunct isYamlPunct = (`elem` ['-','?',':',',','[',']','{','}', - '#','&','*','!','|','>','\'','"', - '%','@','`',',','[',']','{','}']) + '#','&','*','!','|','>','\'','"', '%','@','`']) escapeInDoubleQuotes = T.replace "\"" "\\\"" . T.replace "\\" "\\\\" valToYaml _ = empty |