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Re: [PATCH] defcustom ':size'

In [emacs-w3m : No.12717]
On Sun, 25 Jun 2017 21:10:13 -0400, Boruch Baum wrote:
> But for an existing value, if the size parameter is absent, doesn't the size
> already default to that of the existing value?

After some trial and error --- mainly trying to modify (advise)
the widget functions in wid-edit.el ---, I abandoned the attempt
after all.  I felt it possible to modify it so as to adjust the
field size dynamically.  However, it will need a whole lot of
work but get not much gain.  If the purpose of it is only to
make the field always visible, adding `:size 1' would be enough.
Anyway I'll delete the :size forms from emacs-w3m (except for
the indispensable ones if any).