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-rw-r--r--src/Text/Pandoc/Writers/Markdown/Inline.hs45
1 files changed, 23 insertions, 22 deletions
diff --git a/src/Text/Pandoc/Writers/Markdown/Inline.hs b/src/Text/Pandoc/Writers/Markdown/Inline.hs
index 31c816e36..ab9674026 100644
--- a/src/Text/Pandoc/Writers/Markdown/Inline.hs
+++ b/src/Text/Pandoc/Writers/Markdown/Inline.hs
@@ -190,11 +190,13 @@ getReference attr label target = do
(stKeys s) })
return lab'
+
+
-- | Convert list of Pandoc inline elements to markdown.
inlineListToMarkdown :: PandocMonad m => WriterOptions -> [Inline] -> MD m (Doc Text)
-inlineListToMarkdown opts lst = do
- inlist <- asks envInList
- go (if inlist then avoidBadWrapsInList lst else lst)
+inlineListToMarkdown opts ils = do
+ inlist <- asks envInList
+ avoidBadWraps inlist <$> go ils
where go [] = return empty
go (x@Math{}:y@(Str t):zs)
| T.all isDigit (T.take 1 t) -- starts with digit -- see #7058
@@ -235,26 +237,25 @@ inlineListToMarkdown opts lst = do
fmap (iMark <>) (go is)
thead = fmap fst . T.uncons
-isSp :: Inline -> Bool
-isSp Space = True
-isSp SoftBreak = True
-isSp _ = False
+-- Remove breaking spaces that might cause bad wraps.
+avoidBadWraps :: Bool -> Doc Text -> Doc Text
+avoidBadWraps inListItem = go . toList
+ where
+ go [] = mempty
+ go (BreakingSpace : Text len t : BreakingSpace : xs)
+ = case T.uncons t of
+ Just (c,t')
+ | c == '>'
+ || ((c == '-' || c == '*' || c == '+') && T.null t')
+ || (inListItem && isOrderedListMarker t)
+ || (t == "1." || t == "1)")
+ -> Text (len + 1) (" " <> t) <> go (BreakingSpace : xs)
+ _ -> BreakingSpace <> Text len t <> go (BreakingSpace : xs)
+ go (x:xs) = x <> go xs
-avoidBadWrapsInList :: [Inline] -> [Inline]
-avoidBadWrapsInList [] = []
-avoidBadWrapsInList (s:Str (T.uncons -> Just ('>',cs)):xs) | isSp s =
- Str (" >" <> cs) : avoidBadWrapsInList xs
-avoidBadWrapsInList [s, Str (T.uncons -> Just (c, cs))]
- | T.null cs && isSp s && c `elem` ['-','*','+'] = [Str $ T.pack [' ', c]]
-avoidBadWrapsInList (s:Str (T.uncons -> Just (c, cs)):Space:xs)
- | T.null cs && isSp s && c `elem` ['-','*','+'] =
- Str (T.pack [' ', c]) : Space : avoidBadWrapsInList xs
-avoidBadWrapsInList (s:Str cs:Space:xs)
- | isSp s && isOrderedListMarker cs =
- Str (" " <> cs) : Space : avoidBadWrapsInList xs
-avoidBadWrapsInList [s, Str cs]
- | isSp s && isOrderedListMarker cs = [Str $ " " <> cs]
-avoidBadWrapsInList (x:xs) = x : avoidBadWrapsInList xs
+ toList (Concat (Concat a b) c) = toList (Concat a (Concat b c))
+ toList (Concat a b) = a : toList b
+ toList x = [x]
isOrderedListMarker :: Text -> Bool
isOrderedListMarker xs = not (T.null xs) && (T.last xs `elem` ['.',')']) &&