[Octave-bug-tracker] [bug #56788] parse error on command syntax with argument that starts with a non-ASCII character

[Mike Miller]

Update of bug #56788 (project octave):

                  Status:                    None => Confirmed              
                 Summary: The cd command does not work properly, you need to
write the name of the Russian directory in quotation marks, even if i => parse
error on command syntax with argument that starts with a non-ASCII character

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Follow-up Comment #1:

I can confirm this error on Debian. I suspect this is because Octave's parser
is not Unicode-aware.

The syntax that lets you run a function without parentheses is called "command
syntax". It requires that the parser recognizes that a function name is
followed by whitespace and then by printable characters which are not
operators.

If the first character is an ASCII character, then it works. For example


$ mkdir Dокументы
$ octave
>> cd Dокументы
>> pwd
ans = /home/mike/Dокументы


The same error occurs with any leading accented characters in Western
languages, for example


$ mkdir ábc
$ octave
>> cd ábc
parse error:

  syntax error

>>> cd ábc
       ^



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