Hebrew and Angstrom sign

[Miki Dovrat]

Hi,

I have a strange problem putting the Angstrom sign in hebrew paragraphs.
In English paragraphs it works, but in Hebrew LaTeX complains about \textrm being undefined.

Attached is a small lyx file.

Can any Hebrew user tell me if it works at his/her machine?

Mine is lyx 1.2.1 with e-TeX Pi-2.1 on linux.

Can anyone tell me of a workaround?

Thanks.

Miki Dovrat