It's pretty common for the official acronym of a project to beOn Sat, Jul 25, 2015 at 9:45 AM, Dirk Laurie <firstname.lastname@example.org> wrote:
> Old hands on this list sometimes berate newbies who write
> LUA as if the letters stand for something as in COBOL or AWK.
> What about LPEG?
> As the subject line suggests, these letters actually do stand for
> something, but many people, including its author , spell it LPeg.
>  http://www.inf.puc-rio.br/~roberto/lpeg/
stylized with lower-case letters, particularly acronyms that
incorporate other acronyms (see: FFmpeg, LaTeX).