Actual (live) results in your browser:
Desktop environment:
Expected results
Choose KDE GNOME
Reference:
"label = text [CS] This attribute allows authors to specify a shorter
label for an option than the content of the OPTION element. When
specified, user agents should use the value of this attribute rather than
the content of the OPTION element as the option label."
coming from HTML
4.01, section 17.6.1, label attribute for option element
Internet Explorer 8, Opera 9.64 and Safari 4 pass this test.
This bug has been reported at KDE Bug Tracking System as bug 198092.