Function fix_x11_paste

Lib/idlelib/pyshell.py:1453–1461

Make paste replace selection on x11. See issue #5124.

(root)

def fix_x11_paste(root):
    "Make paste replace selection on x11.  See issue #5124."
    if root._windowingsystem == 'x11':
        for cls in 'Text', 'Entry', 'Spinbox':
            root.bind_class(
                cls,
                '<<Paste>>',
                'catch {%W delete sel.first sel.last}\n' +
                        root.bind_class(cls, '<<Paste>>'))


usage_msg = """\