str
which is marked up with the Pango text markup language,
setting the label's text and attribute list based on the parse results.
If characters in str
are preceded by an underscore, they are underlined
indicating that they represent a keyboard accelerator called a mnemonic.gtkLabelSetMarkupWithMnemonic(object, str)
object
GtkLabel
str
gtkLabelSetMnemonicWidget
.