stock images specs

Hello

Is there any doc on the specification for the images in
mpl-data/images? Resolution, format, etc...

I am going to create a couple of images, and I would like to be sure
they are the "compatible", just in case someday it gets pulled in.

I see most of them have png, svg but others also have gif or xpm.
In png all are 24x24 but in xpm and ppm some are 24x24 and others 16x16.

Thanks
Federico

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--
Y yo que culpa tengo de que ellas se crean todo lo que yo les digo?

-- Antonio Alducin --