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v_args decorator retval type hint isn't correct, might as well be removed

Status: Open.

#1579 In lark-parser/lark;

· Kache opened on Mar 11, 2026

Ambiguity from trailing whitespace causes a RuntimeError in Earley

bug

Status: Open.

#1576 In lark-parser/lark;

· kwilinsi opened on Mar 6, 2026

The version on https://pypi.org/project/lark-parser/ is 0.12.0

question

Status: Open.

#1574 In lark-parser/lark;

· KeithSloan opened on Feb 13, 2026

python.lark failed to pare special forms of with_stmt

Status: Open.

#1570 In lark-parser/lark;

· Joxos opened on Dec 7, 2025

No placeholders when using [] and maybe_placeholders=True

Status: Open.

#1568 In lark-parser/lark;

· zimri-leisher opened on Nov 14, 2025

Allow rules in templates

enhancement

Status: Open.

#1566 In lark-parser/lark;

· Sporarum opened on Oct 31, 2025

AttributeError: 'NoneType' object has no attribute 'char_pos'

Status: Open.

#1565 In lark-parser/lark;

· fmigneault opened on Oct 30, 2025

"\w" is an invalid escape sequence

Status: Open.

#1564 In lark-parser/lark;

· mtelka opened on Oct 28, 2025

Backward compatibility broken for custom lexers which parse a non-textual stream of data

bug

Status: Open.

#1560 In lark-parser/lark;

· jmfernandez opened on Oct 20, 2025

Embedded Transformer doesn't raise VisitError

Status: Open.

#1550 In lark-parser/lark;

· stefanb2 opened on Aug 17, 2025

Improve memory usage in the contextual lexer ?

discussionDiscuss new features or other changesDiscuss new features or other changes

enhancement

Status: Open.

#1539 In lark-parser/lark;

· erezsh opened on Jul 5, 2025

How to find out last save position, when do "on _error"?

question

Status: Open.

#1534 In lark-parser/lark;

· XvKuoMing opened on May 14, 2025