Tweak for Emacs Imenu support for Namespace definition listing.
Tweak for Emacs Imenu support for Namespace definition listing.

briantrice/slate-language,briantrice/slate-language,krfkeith/slate-language,krfkeith/slate-language,krfkeith/slate-language,briantrice/slate-language,briantrice/slate-language,krfkeith/slate-language,krfkeith/slate-language,briantrice/slate-language,briantrice/slate-language,krfkeith/slate-language