feh(1): Update giflib notes

.

.Pp

.

On systems with Imlib2 >= 1.4.7 and giflib >= 5.1.2,

On systems with giflib 5.1.2,

.Nm

may be unable to load gif images. For affected mips, mipsel and arm devices,

gif support is completely broken, while on x86 / x86_64 gifs can usually

only be loaded if they are the first image in the filelist.

This appears to be an Imlib2 and/or giflib bug introduced in giflib 5.1.2.

See

This appears to be a bug in giflib,

see

.Aq https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=813729

for details. Workaround: Use

.Cm --magick-timeout 5

.Pq or some other positive value

to load gifs with imagemagick instead, or downgrade giflib to 5.1.1.

to load gifs with imagemagick instead, or downgrade to giflib 5.1.1, or

upgrade to giflib 5.1.4.

.

.Pp

.