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author | John MacFarlane <jgm@berkeley.edu> | 2018-01-06 00:03:59 -0800 |
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committer | John MacFarlane <jgm@berkeley.edu> | 2018-01-06 00:33:34 -0800 |
commit | 3a22907306992f2dd1b6bcb548633734c0c9a1b1 (patch) | |
tree | 913f751fd62f6c8df35c406b294eb47ac7bb1466 /src/Text/Pandoc | |
parent | 0d935bd081bb4013168dc114461ab7c47fec2f44 (diff) | |
download | pandoc-3a22907306992f2dd1b6bcb548633734c0c9a1b1.tar.gz |
Don't use `missingIncludes` unless custom syntax defs have been given.
This avoids a huge performance sink that comes from evaluating
all the elements of the default syntax map.
Better just to have run-time errors for missing includes?
See #4226.
Diffstat (limited to 'src/Text/Pandoc')
-rw-r--r-- | src/Text/Pandoc/App.hs | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/Text/Pandoc/App.hs b/src/Text/Pandoc/App.hs index c759df46c..fc0a911ea 100644 --- a/src/Text/Pandoc/App.hs +++ b/src/Text/Pandoc/App.hs @@ -268,7 +268,8 @@ convertWithOpts opts = do syntaxMap <- foldM addSyntaxMap defaultSyntaxMap (optSyntaxDefinitions opts) - case missingIncludes (M.elems syntaxMap) of + unless (null (optSyntaxDefinitions opts)) $ + case missingIncludes (M.elems syntaxMap) of [] -> return () xs -> E.throwIO $ PandocSyntaxMapError $ "Missing syntax definitions:\n" ++ |