From 11810edb2f51fa54af4d5a9a4b3e57a189077919 Mon Sep 17 00:00:00 2001
From: John MacFarlane <jgm@berkeley.edu>
Date: Sun, 20 Jan 2019 18:22:19 -0800
Subject: [PATCH] LaTeX reader: allow includes with dots like cc_by_4.0.
Previously the `.0` was interpreted as a file extension,
leading pandoc not to add `.tex` (and thus not to find the
file).
The new behavior matches tex more closely.
---
src/Text/Pandoc/Readers/LaTeX.hs | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/src/Text/Pandoc/Readers/LaTeX.hs b/src/Text/Pandoc/Readers/LaTeX.hs
index 3120afaec..f5d8527dd 100644
--- a/src/Text/Pandoc/Readers/LaTeX.hs
+++ b/src/Text/Pandoc/Readers/LaTeX.hs
@@ -1449,9 +1449,11 @@ include name = do
fs <- (map (T.unpack . removeDoubleQuotes . T.strip) . T.splitOn "," .
untokenize) <$> braced
let addExt f = case takeExtension f of
- "" | name == "usepackage" -> addExtension f ".sty"
- | otherwise -> addExtension f ".tex"
- _ -> f
+ ".tex" -> f
+ ".sty" -> f
+ -- note, we can have cc_by_4.0 for example...
+ _ | name == "usepackage" -> addExtension f ".sty"
+ | otherwise -> addExtension f ".tex"
dirs <- (splitBy (==':') . fromMaybe ".") <$> lookupEnv "TEXINPUTS"
mapM_ (insertIncluded dirs) (map addExt fs)
return mempty