[Octave-bug-tracker] [bug #55890] "help class.method" fails if method overloads builtin

[Colin Macdonald]

URL:
  <https://savannah.gnu.org/bugs/?55890>

                 Summary: "help class.method" fails if method overloads
builtin
                 Project: GNU Octave
            Submitted by: cbm
            Submitted on: Tue 12 Mar 2019 07:42:50 AM UTC
                Category: Interpreter
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Matlab Compatibility
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: dev
        Operating System: Any

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Details:

These examples come from the Symbolic package.

"help sym.assume" works fine.  But "help sym.char" does not.  Nor does "help
sym.erf".  I guess the difference is there is no builtin "assume" but there
are "char" and "erf" functions.


> help sym.erf
error: help: 'sym.erf' not found


Notes:

  * "help @class/method" always works---this report is about the dot
notation.

  * possibly related: if the class name is itself a builtin, the dot notation
also fails, e.g., "help logical.isAlways".

  * Tested on 4.2 and 5.1.1.

  * 6.0.0 seems to have broken/removed "help @sym/assume" but this bug is
present there too.




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