[tex-live] tlmgr --reinstall

[Herbert Voss]

With an up-to-date TL2018 and Ubuntu 18.04:

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voss at shania:~$ tlmgr install --reinstall mathfont
tlmgr: package repositories
	main = http://mirror.ctan.org/systems/texlive/tlnet/ (verified)
	tlcontrib = http://contrib.texlive.info/current (not verified: pubkey 
missing)
	KOMA = http://www.komascript.de/repository/texlive/2018 (not verified: 
pubkey missing)
[1/1, ??:??/??:??] reinstall: mathfont @main [253k]
*** BUG ***
In pixman_region32_init_rect: Invalid rectangle passed
Set a breakpoint on '_pixman_log_error' to debug

*** BUG ***
In pixman_region32_init_rect: Invalid rectangle passed
Set a breakpoint on '_pixman_log_error' to debug

running mktexlsr ...
done running mktexlsr.
running mtxrun --generate ...
done running mtxrun --generate.
tlmgr: package log updated: 
/usr/local/texlive/2018/texmf-var/web2c/tlmgr.log
----------------------------------------------------------------------------


Herbert