void|PEAR_Error
HTML_CSS::unsetAtRule
(
string
$atKeyword
)
Remove an existing and supported at-rule. See HTML_CSS::getAtRulesList() for a full list of supported At-Rules.
$atKeyword
at-rule keyword
throws HTML_CSS_ERROR_INVALID_INPUT, HTML_CSS_ERROR_NO_ATRULE
since version 1.5.0 (2008-01-15)
This function can not be called statically.