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by mahmud 3230 days ago
No, they both got it from Common Lisp (ca 1984)
2 comments
xenophonf 3230 days ago
Is that a Common Lisp thing or something that predates the ANSI standard? SBCL doesn't like that syntax:

  * 10_000
  
  debugger invoked on a UNBOUND-VARIABLE: The variable |10_000| is unbound.
According to the Common Lisp HyperSpec, "_" is an alphabetic constituent character:

http://www.lispworks.com/documentation/HyperSpec/Body/02_ad....

http://www.lispworks.com/documentation/HyperSpec/Body/02_adb...

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kazinator 3230 days ago
Rather, perhaps, Ada 83.
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