[Octave-bug-tracker] [bug #57103] Support Unicode mathematical symbols as function and variable names

[Anton Kochkov]

Follow-up Comment #2, bug #57103 (project octave):

See example for the function name

octave:1> function[result] = σ(x)
parse error:

  syntax error

>>> function[result] = σ(x)
                      ^

octave:1> 

Or a variable name:

octave:1> ℤ = 1;
parse error:

  invalid character '�' (ASCII 226)

>>> ℤ = 1;
    ^

octave:1> 


Something like α character can't even be pasted to the REPL (while it works
for pasting directly in the bash in the same terminal window):

octave:1> �
parse error:

  invalid character '�' (ASCII 177)

>>> �
    ^

octave:1> 



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