Insert a command Before \documentclass

[ehud.behar at protonmail.com]

Thanks for your reply.
I want to print a document with font size 11.5pt.
When I do the fontspec command '\setmathrm{Latin Modern Roman}' I get the warning

LaTeX Font Warning: Font shape OML/cmm/m/it in size <11.5> not available size <12> substituted on input line 44.

If you have any idea how to come over this, you are more than welcome to post it.

Ehud
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