glasses-uncapitalize-regexp

glasses-uncapitalize-regexp is a variable defined in `glasses.el'.
Its value is

"[a-z]"

Documentation:
Regexp matching beginnings of words to be uncapitalized.
Only words starting with this regexp are uncapitalized.
The regexp is case sensitive.
It has any effect only when `glasses-uncapitalize-p' is non-nil.

You can customize this variable.