Style.apply
void apply(gtk.text_tag.TextTag tag)This function modifies the [gtk.text_tag.TextTag] properties that are related to the #GtkSourceStyle properties. Other [gtk.text_tag.TextTag] properties are left untouched.
If style is non-null, applies style to tag.
If style is null, the related *-set properties of [gtk.text_tag.TextTag] are set to false.
Parameters
tag | a #GtkTextTag to apply styles to. |