1. Patch glibc in Fedora until upstream glibc will be patched and patch GNOME
etc. to be consistent with the new placeholders.

glib2 (GNOME, XFCE, ...) will use native libs (glibc in Linux) to convert dates to strings for now [1]

[1] https://github.com/GNOME/glib/commit/be4f96b6502c01d2a51d60b7a669c8ef82e22a4d
 
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