Add rule for correct usage of GlFormCombobox
Part of #38 (closed).
Note that !59 (merged) is closely related to this, and adds rules that identify generic dropdowns that might be dropdowncombobox.
Edited by Mark Florian
Part of #38 (closed).
Note that !59 (merged) is closely related to this, and adds rules that identify generic dropdowns that might be dropdowncombobox.