[Octave-bug-tracker] [bug #29986] Minor: calling plot with no arguments results in errors (instead of just usage)

[Rik]

Update of bug #29986 (project octave):

                  Status:         Patch Submitted => Fixed                  
             Open/Closed:                    Open => Closed                 

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Follow-up Comment #6:

I think JWE's approach is probably the way to go, although there was still a
bit more work to be done.  All of the plot commands accept the same sorts of
arguments so it had been convenient to have the error message in one place. 
When we rely on print_usage back in the 6 .m files then we also need to update
their documentation.

For example, semilogx says the calling convention is just 'semilogx (ARGS)'
whereas it really accepts around 6 different calling conventions.

I have updated the documentation and checked in a change here.

http://hg.savannah.gnu.org/hgweb/octave/rev/390d93e20531

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