[Octave-bug-tracker] [bug #45496] "error: no default value for argument" fails to give function/line number/etc

[Mike Miller]

Update of bug #45496 (project octave):

                  Status:                    None => Confirmed              

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Follow-up Comment #1:

The error comes from this line:

http://hg.savannah.gnu.org/hgweb/octave/file/release-4-0-0/libinterp/parse-tree/pt-misc.cc#l203

The error function prints a stack trace by default, but when the error string
ends in a newline it suppresses the stack trace, which is what you're seeing
here.

So it looks like this specific error happens when you call a function with a
colon as the argument value and the function hasn't been declared when a
default argument value. I'm not even sure I've seen that syntax, what is that
supposed to do?

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