Ivan Kochurkin

Yes, it's possible to select rebase/squash merging right in GitHub. There is nothing complicated about it. I'm using rebasing/squashing in recent times for grammars because merge commit does not provide...

Could you please submit a pull request?

Thanks for testing 4.9.4 (actually 4.10) on the entire grammars repository. I just wanted to start a discussion about that. Also, `caseInsensitive` option should be tested (I've already started it)....

> I added a check to trgen to fail on caseInsensitive = true but I just forgot what you were working on. Sorry. I'll fix the check so that it...

Please elaborate, I don't understand what you mean.

Can it be closed?

Some languages (Swift, C#) support keywords escaping. Also, see another discussion for details https://github.com/antlr/antlr4/issues/1851. I suggest adding underscore symbol (`_`) to the ending of conflicted words in grammar.

Could you elaborate on how a parser can help to detect Log4Shell vulnerability?

Could you elaborate what runtime are you using?

Probably the new option [`caseInsensitive`](https://github.com/antlr/antlr4/blob/master/doc/options.md#caseinsensitive) will help you. It will be available since ANTLR 4.10