Bug#591812: lintian test for menu icon type is out of date

[Niels Thykier <niels@thykier.net>]

clone 591812 -1
retitle -1 menu: Please clarify supported icon types (§3.7)
reassign -1 menu
block 591812 by -1
thanks

Dear menu maintainers,

We have been asked to not emit "menu-icon-not-in-xpm-format" tags (or
downgrade the severity of the tag) for packages that ship png icons
instead of xpm icons (see #591812).
  While the documentation of menu says that package should use .xpm
icons[1], Bdale (CC'ed) reported that "png files actually seem to work
file".


Could you please clarify if (or when) png (etc.) icons are acceptable
alternatives?

~Niels

For reference, lintian.d.o reports about 11 uses of non-xpm images (8 of
which are png)[2].

[1] http://www.debian.org/doc/packaging-manuals/menu.html/ch3.html#s3.7

[2] http://lintian.debian.org/tags/menu-icon-not-in-xpm-format.html