[70_9] Improve keyword_parser for +inf.0 and -inf.0

XmacsLabs / mogan

Mogan STEM Suite (based on GNU TeXmacs): Enjoy exploring science and technology!

https://mogan.app

GNU General Public License v3.0

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Closed da-liii closed 3 weeks ago

da-liii commented 3 weeks ago

keyword_parser:
- keyword should start with alpha or extra chars
- keyword should be consist of alpha/extra chars/digits
Add +inf.0, +inf.0 to S7 Scheme keywords as constant