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author | John MacFarlane <jgm@berkeley.edu> | 2017-12-02 15:21:59 -0800 |
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committer | John MacFarlane <jgm@berkeley.edu> | 2017-12-02 15:21:59 -0800 |
commit | 7b8c2b6691e3816ba52ee07ee7f63573d4ae7253 (patch) | |
tree | f201d4e69ce4d86911d845ef63094c9ba4f7688b /src/Text/Pandoc/Shared.hs | |
parent | e09e6a6ffaf1c61747f1e2d87b025a61bd0ee90e (diff) |
Add --strip-empty-paragraphs option.
This works for any input format.
Diffstat (limited to 'src/Text/Pandoc/Shared.hs')
-rw-r--r-- | src/Text/Pandoc/Shared.hs | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/Text/Pandoc/Shared.hs b/src/Text/Pandoc/Shared.hs index 5c13e0acb..1c3a25cc7 100644 --- a/src/Text/Pandoc/Shared.hs +++ b/src/Text/Pandoc/Shared.hs @@ -72,6 +72,7 @@ module Text.Pandoc.Shared ( inlineListToIdentifier, isHeaderBlock, headerShift, + stripEmptyParagraphs, isTightList, addMetaField, makeMeta, @@ -529,6 +530,14 @@ headerShift n = walk shift shift (Header level attr inner) = Header (level + n) attr inner shift x = x +-- | Remove empty paragraphs. +stripEmptyParagraphs :: Pandoc -> Pandoc +stripEmptyParagraphs = walk go + where go :: [Block] -> [Block] + go = filter (not . isEmptyParagraph) + isEmptyParagraph (Para []) = True + isEmptyParagraph _ = False + -- | Detect if a list is tight. isTightList :: [[Block]] -> Bool isTightList = all firstIsPlain |