tree b46b8e2aa809c3c94f2a08e3707804aa49c8c3a1
parent faf29982a3478e885cb15ac3a007e1cbaf05e866
author Heinrich Schuchardt <xypron.glpk@gmx.de> 1587463918 +0200
committer Tom Rini <trini@konsulko.com> 1588013729 -0400

doc: specify that xelatex is used as Latex engine

Building the pdf documentation on readthedocs.org fails with pdflatex.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>