[Octave-bug-tracker] [bug #53217] Can't close window popping up after "gray" command while pager is active

[Rik]

Follow-up Comment #26, bug #53217 (project octave):

We could extract the common input parsing code to a new function placed in the
private/ directory of images.  This might be a clearer coding strategy,
although performance would suffer.  Generally every time you have to go
outside the current function there is reasonable amount of overhead on the
part of the interpreter.  I don't think it's terribly important to change.

As to the difference between figure and axes colormaps, the latter did not
exist until recently in Matlab.  Consequently, none of the colormap routines
are set up to work with the axes colormap.  See the documentation of hsv as an
example: http://www.mathworks.com/help/matlab/ref/hsv.html.

It may not be the best, but there is a historical way of doing things and it
is documented.  If we want to have the colormaps look first to the axes, and
then to the figures for colormaps, we lose compatibility with Matlab.

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