Sets the text within the `GtkLabel` widget.
It overwrites any text that was there before.
This function will clear any previously set mnemonic accelerators, and set the [[email protected]:use-underline property] to false as a side effect.
This function will set the [[email protected]:use-markup] property to false as a side effect.
See also: [[email protected]_markup]
| this |
a `GtkLabel` |
| str |
The text you want to set |