Am 26.10.2015 um 02:23 schrieb Uwe Stöhr:
polyglossia supports the Khmer (Cambodian) language. LyX can therefore support this language too easily.OK to go on?
No, because I see that the feature is brand new and not in the current TeXLive. I therefore opened
http://www.lyx.org/trac/ticket/9818 to address this topic for LyX 2.3 regards Uwe