diff options
| -rw-r--r-- | README | 3 | ||||
| -rw-r--r-- | src/Text/Pandoc/Shared.hs | 5 |
2 files changed, 5 insertions, 3 deletions
@@ -1044,8 +1044,7 @@ identifier. This identifier is based on the text of the header. To derive the identifier from the header text, - Remove all formatting, links, etc. - - Remove all punctuation, except underscores, hyphens, periods, - and tildes. + - Remove all punctuation, except underscores, hyphens, and periods. - Replace all spaces and newlines with hyphens. - Convert all alphabetic characters to lowercase. - Remove everything up to the first letter (identifiers may diff --git a/src/Text/Pandoc/Shared.hs b/src/Text/Pandoc/Shared.hs index 14086c20f..a27a2c907 100644 --- a/src/Text/Pandoc/Shared.hs +++ b/src/Text/Pandoc/Shared.hs @@ -97,6 +97,7 @@ module Text.Pandoc.Shared ( compactify, Element (..), hierarchicalize, + uniqueIdent, isHeaderBlock, -- * Writer options HTMLMathMethod (..), @@ -902,7 +903,7 @@ inlineListToIdentifier' [] = "" inlineListToIdentifier' (x:xs) = xAsText ++ inlineListToIdentifier' xs where xAsText = case x of - Str s -> filter (\c -> c `elem` "_-.~" || not (isPunctuation c)) $ + Str s -> filter (\c -> c `elem` "_-." || not (isPunctuation c)) $ intercalate "-" $ words $ map toLower s Emph lst -> inlineListToIdentifier' lst Strikeout lst -> inlineListToIdentifier' lst @@ -952,6 +953,8 @@ headerLtEq :: Int -> Block -> Bool headerLtEq level (Header l _) = l <= level headerLtEq _ _ = False +-- | Generate a unique identifier from a list of inlines. +-- Second argument is a list of already used identifiers. uniqueIdent :: [Inline] -> [String] -> String uniqueIdent title' usedIdents = let baseIdent = inlineListToIdentifier title' |