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After Upgrading to version 3.0.3.6
The 10 patches are installed successfully in steps 1/2 of the upgrade page (..../install) method of upgrading after patching everything except config.php with fil…
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The classic problem with parser generators—and especially with LALR parser generators—is that it is often hard to diagnose what went wrong when there are conflicts. We developed some efficient algorit…
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I was playing around with reconstruct and see an AssertionError with anonymous terminals (changing the item to a rule or de-anonymizing it both stop the error). These look like:
Traceback (most…
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**Describe the bug**
Using "|" and "||" as terminals in lark rules works well independently.
However, when one defined "|" as a TOKEN, the following "||" in the rule stops working. I do not beli…
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Hi, i'm trying to parse an asciimath input following a grammar similar to that defined [here](http://asciimath.org/#syntax) and i'm having trouble to understand why with the following code
```python…
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I use lark to parse a C-like language. Among other, it has operators `&&` (boolean AND), `&` (bitwise AND), and `&` (address of). Since boolean AND has lower priority than the other two, when parsing …
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Hello,
After installing `coniql` (19dd93becf0e088192e3ffaa4cb3ca5c73251ed9), and all the dependencies, I've tried to start the simulation server as the documentation said: `python -m coniql`, but hav…
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### Package and Environment Details (include every applicable attribute)
* Package Name/Version: **qt/6.2.1**
* Operating System+version: **Windows 10**
* Compiler+version: **MSVC 16 (Visual …
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**Describe the bug**
https://github.com/lark-parser/lark/blob/b5abf2d7afcd70af2be6c57aa454e532c8a99a0b/lark/lexer.py#L99
This merely masks what in 2020 is almost always a bug. If you must do som…
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Resubmission of #2954 as proposal.
The syntax requires lookahead > 1 in the parser to identify and resolve correctly. The problem arises because Expr is parsed first and it expects a labelled block…