#data
<xsl:output xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
    method="html"/>
#errors
/output;limited use;w

#data
<xsl:output xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
    method="xml"/>
#errors
/output;limited use;w

#data
<xsl:output xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
    method="text"/>
#errors
/output;limited use;w

#data
<xsl:output xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
    method="xslfoo"/>
#errors
/output;limited use;w
/output/@method;enumerated:invalid;m

#data
<xsl:output xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
    method="xsl:foo"/>
#errors
/output;limited use;w
/output/@method;enumerated:invalid;m

#data
<xsl:output xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
    method="html:hoge"/>
#errors
/output;limited use;w
/output/@method;enumerated:invalid;m