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Good afternoon,
I want to implement client concurrency within a single xtext LS process.
I saw that someone tried to do a interface before the ls ([1239](https://github.com/eclipse/xtext-core/i…
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We should support string escaping in the grammar language:
- Add `\` escaping to the `STRING` rule in langium-grammar.langium
- Process escaped characters in the `convertString` method of Defaul…
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### Discussed in https://github.com/langium/langium/discussions/929
Originally posted by **JoanGi** February 13, 2023
Hi,
I've realized that autocompletion is not returning suggestion when …
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The Langium grammar allows to create the rule `X`, where the property `x` is an array of type alternatives, and it has to be possible to declare the corresponding type `XType`, as in the example. We s…
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Langium version: 0.3.0
Package name: langium
I have a proprietary grammar file that leads to this when opening in VS Code:
```
FATAL ERROR: MarkCompactCollector: young object promotion failed …
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[Here](https://langium.org/playground?grammar=OYJwhgthYgBAEgUwDbIPYHU0mQEwFD6IB2ALiAJ6wCyauKAXAiugNyFKppOiKKkBLYsAC8Ack7oAhGPb4AFgNz1isUohAQhYZLADCAeWrUDAOQD65jAGUmGAM4Bqdus3bdAM3DAIJUrAcmAHoAbVgAHVJw…
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References declared in super types can not be resolved for subtypes.
Langium version: 0.5.0 (and also tested in locally linked Langium from current main branch)
## Steps To Reproduce
1. Use m…
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Langium version: 0.3.0
Package name: langium
## Steps To Reproduce
1. Create a minimal grammar containing an entry rule, and reference to a rule of name 'Error'
2. Run langium generator3. …
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Langium version: 0.5.0
Package name: langium
## Steps To Reproduce
1. generate hello-world project
2. change grammar (only changed part is shown):
```
Person:
'person' name=ID las…