GTK custom color specification must have color name and fallback in parentheses, e.g. gtk:custom(foo,bar); could not parse "%s"
GTK nzipụta ụcha ga-enwe akara mmechi ma agachaa ọnọdụ, ọmụmaatụ. gtk:fg[NORMAL] ebe NỌ́MÁÀLỤ̀ bụ ọnọdụ; agaghị enwenwu ike ịtọsasi "%s"