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codemirror / codemirror5

In-browser code editor (version 5, legacy)
http://codemirror.net/5/
MIT License
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Crystal HEREDOCs Cause Freezing #7092

Closed dylhack closed 6 months ago

dylhack commented 6 months ago

HEREDOCs in crystal causes JavaScript to hang.

Reproducing

  1. Go-to https://codemirror.net/5/mode/crystal/index.html where Crystal is demoed.
  2. Type <<-'HERE' followed by any character.
  3. See infinite loop
marijnh commented 6 months ago

Attached patch should fix this.