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-rw-r--r--src/Text/Pandoc/Writers/HTML.hs3
1 files changed, 1 insertions, 2 deletions
diff --git a/src/Text/Pandoc/Writers/HTML.hs b/src/Text/Pandoc/Writers/HTML.hs
index 0f296c3e3..bbdbbc0ba 100644
--- a/src/Text/Pandoc/Writers/HTML.hs
+++ b/src/Text/Pandoc/Writers/HTML.hs
@@ -814,8 +814,7 @@ blockToHtmlInner opts (Div (ident, "section":dclasses, dkvs)
stEmittedNotes = stEmittedNotes st' + length notes })
return (res <> renderedNotes)
else return res
- let classes' = nubOrd $
- ["title-slide" | titleSlide] ++ ["slide" | slide] ++
+ let classes' = ["title-slide" | titleSlide] ++ ["slide" | slide] ++
["section" | (slide || writerSectionDivs opts) &&
not html5 ] ++
["level" <> tshow level | slide || writerSectionDivs opts ]