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-rw-r--r--lexlua/latex.lua15
1 files changed, 6 insertions, 9 deletions
diff --git a/lexlua/latex.lua b/lexlua/latex.lua
index c4df8e641..bb2f70823 100644
--- a/lexlua/latex.lua
+++ b/lexlua/latex.lua
@@ -13,10 +13,9 @@ local lex = lexer.new('latex')
lex:add_rule('whitespace', token(lexer.WHITESPACE, lexer.space^1))
-- Comments.
-local line_comment = '%' * lexer.nonnewline^0
-local block_comment = '\\begin' * P(' ')^0 * '{comment}' *
- (lexer.any - '\\end' * P(' ')^0 * '{comment}')^0 *
- P('\\end' * P(' ')^0 * '{comment}')^-1
+local line_comment = lexer.to_eol('%')
+local block_comment = lexer.range('\\begin' * P(' ')^0 * '{comment}',
+ '\\end' * P(' ')^0 * '{comment}')
lex:add_rule('comment', token(lexer.COMMENT, line_comment + block_comment))
-- Math environments.
@@ -24,15 +23,13 @@ local math_word = word_match[[
align displaymath eqnarray equation gather math multline
]]
local math_begin_end = (P('begin') + P('end')) * P(' ')^0 *
- '{' * math_word * P('*')^-1 * '}'
+ '{' * math_word * P('*')^-1 * '}'
lex:add_rule('math', token('math', '$' + '\\' * (S('[]()') + math_begin_end)))
lex:add_style('math', lexer.STYLE_FUNCTION)
-- LaTeX environments.
lex:add_rule('environment', token('environment', '\\' *
- (P('begin') + P('end')) *
- P(' ')^0 * '{' * lexer.word *
- P('*')^-1 * '}'))
+ (P('begin') + P('end')) * P(' ')^0 * '{' * lexer.word * P('*')^-1 * '}'))
lex:add_style('environment', lexer.STYLE_KEYWORD)
-- Sections.
@@ -43,7 +40,7 @@ lex:add_style('section', lexer.STYLE_CLASS)
-- Commands.
lex:add_rule('command', token('command', '\\' *
- (lexer.alpha^1 + S('#$&~_^%{}'))))
+ (lexer.alpha^1 + S('#$&~_^%{}'))))
lex:add_style('command', lexer.STYLE_KEYWORD)
-- Operators.