unicharIswideCjk

Determines if a character is typically rendered in a double-width cell under legacy East Asian locales. If a character is wide according to [glib.global.unicharIswide], then it is also reported wide with this function, but the converse is not necessarily true. See the

for details.

If a character passes the [glib.global.unicharIswide] test then it will also pass this test, but not the other way around. Note that some characters may pass both this test and [glib.global.unicharIszerowidth].