[1]

<link rel="microsummary" type="application/x.microsummary+xml" href="/index-microsummary.xml">

http://wiki.mozilla.org/Microsummaries

[6] Microsummaries - MozillaWiki http://wiki.mozilla.org/Microsummaries

[2] Microsummary XML grammar reference - Archive of obsolete content | MDN ( (2015-07-17 11:17:46 +09:00)) https://developer.mozilla.org/en-US/docs/Archive/Mozilla/Microsummary_topics/XML_grammar_reference

[3] 341283 - Can't install a microsummary generator if it has a non-absolute URL ( (2017-08-02 15:04:21 +09:00)) https://bugzilla.mozilla.org/show_bug.cgi?id=341283

[4] 524091 - Remove microsummaries support. Seldom used, undiscoverable and unmaintained. ( (2017-08-02 15:04:47 +09:00)) https://bugzilla.mozilla.org/show_bug.cgi?id=524091

[5] page-summary-formats · Microformats Wiki ( (2017-05-23 04:00:12 +09:00)) http://microformats.org/wiki/page-summary-formats