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-rw-r--r--src/Text/Pandoc/Readers/Roff.hs5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/Text/Pandoc/Readers/Roff.hs b/src/Text/Pandoc/Readers/Roff.hs
index a540cc39d..9e3315cb3 100644
--- a/src/Text/Pandoc/Readers/Roff.hs
+++ b/src/Text/Pandoc/Readers/Roff.hs
@@ -284,7 +284,10 @@ escapeNormal = do
CopyMode -> char '\\'
NormalMode -> return '\\'
return [RoffStr "\\"]
- _ -> fail $ "Unknown escape character \\" ++ [c]
+ _ -> return [RoffStr [c]]
+ -- man 7 groff: "If a backslash is followed by a character that
+ -- does not constitute a defined escape sequence, the backslash
+ -- is silently ignored and the character maps to itself."
escIgnore :: PandocMonad m
=> Char