Checks if a character that should not be normally rendered.
This includes all Unicode characters with "ZERO WIDTH" in their name, as well as *bidi* formatting characters, and a few other ones.
This is totally different from [func@GLib.unichar_iszerowidth] and is at best misnamed.
a Unicode character
%TRUE if @ch is a zero-width character, %FALSE otherwise
1.10
See Implementation
Checks if a character that should not be normally rendered.
This includes all Unicode characters with "ZERO WIDTH" in their name, as well as *bidi* formatting characters, and a few other ones.
This is totally different from [func@GLib.unichar_iszerowidth] and is at best misnamed.