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-rw-r--r--src/Text/Pandoc/Readers/LaTeX.hs8
1 files changed, 4 insertions, 4 deletions
diff --git a/src/Text/Pandoc/Readers/LaTeX.hs b/src/Text/Pandoc/Readers/LaTeX.hs
index 16ccf77fc..77c642e7e 100644
--- a/src/Text/Pandoc/Readers/LaTeX.hs
+++ b/src/Text/Pandoc/Readers/LaTeX.hs
@@ -71,7 +71,7 @@ commandArgs = many optOrArg
-- | Parses LaTeX command, returns (name, star, list of options or arguments).
command = do
char '\\'
- name <- many1 alphaNum
+ name <- many1 letter
star <- option "" (string "*") -- some commands have starred versions
args <- commandArgs
return (name, star, args)
@@ -93,7 +93,7 @@ environment name = try $ begin name >> spaces >> manyTill block (end name)
anyEnvironment = try $ do
string "\\begin{"
- name <- many alphaNum
+ name <- many letter
star <- option "" (string "*") -- some environments have starred variants
char '}'
optional commandArgs
@@ -341,7 +341,7 @@ specialEnvironment = do -- these are always parsed as raw
rawLaTeXEnvironment :: GenParser Char st Block
rawLaTeXEnvironment = try $ do
string "\\begin{"
- name <- many1 alphaNum
+ name <- many1 letter
star <- option "" (string "*") -- for starred variants
let name' = name ++ star
char '}'
@@ -421,7 +421,7 @@ accentedChar = normalAccentedChar <|> specialAccentedChar
normalAccentedChar = try $ do
char '\\'
accent <- oneOf "'`^\"~"
- character <- (try $ char '{' >> alphaNum >>~ char '}') <|> alphaNum
+ character <- (try $ char '{' >> letter >>~ char '}') <|> letter
let table = fromMaybe [] $ lookup character accentTable
let result = case lookup accent table of
Just num -> chr num