diff options
Diffstat (limited to 'pygments/lexer.py')
| -rw-r--r-- | pygments/lexer.py | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/pygments/lexer.py b/pygments/lexer.py index 33427ae3..ecd11a5a 100644 --- a/pygments/lexer.py +++ b/pygments/lexer.py @@ -274,12 +274,14 @@ def bygroups(*args): if data: yield match.start(i + 1), action, data else: - if ctx: - ctx.pos = match.start(i + 1) - for item in action(lexer, _PseudoMatch(match.start(i + 1), - match.group(i + 1)), ctx): - if item: - yield item + data = match.group(i + 1) + if data is not None: + if ctx: + ctx.pos = match.start(i + 1) + for item in action(lexer, _PseudoMatch(match.start(i + 1), + data), ctx): + if item: + yield item if ctx: ctx.pos = match.end() return callback |