Enable to set *fontoptions

[CLRafaelR]

I ported font options from pandoc's latex template default.latex to prereg_form.tex, and the following font options are now settable:

• mainfontoptions
• sansfontoptions
• monofontoptions
• mathfontoptions
• CJKfontoptions

This modification also imports unicode-math to set math fonts. Since unicode-math's \Question crashed with prereg's \Question, I made \NewCommandCopy save \Question of unicode-math and redefined the command for prereg's \Question using \renewcommand.

[crsh]

Hi, thanks for this! Would you like to add yourself as a contributor in DESCRIPTION before I merge?

[CLRafaelR]

@crsh Hi, the pleasure is mine: thank you for having me as a contributor of this package! I added myself here, so please check here.

[crsh]

Great, that was quick. :)

[CLRafaelR]

Thank you for accepting my request!