Simple test set for use of xml-stylesheet PI to invoke XSLT

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'Works in ...' below refers to Chrome 15.0.874.120 m, Firefox 3.6.23,
IE9, Opera 11.52, running on Windows 7 64bit

test0.xml (no SS)
 XML in, doc tree displayed in Chrome, Firefox, IE, Opera

test1.xml (+ xmlss->doc.xsl as text/xsl)
 XML in, XHTML produced by SS
  Works in IE, Chrome, Opera, Firefox   
  [res1.html shows the XHTML which is produced]

 test1a.xml (+ xmlss->doc.xsl as application/xslt+xml)
  XML in, XHTML produced by SS
   Works in IE, but not in Chrome, Opera or Firefox

 test1b.xml (+ xmlss->doc.xsl as text/banana)
  XML in, text content displayed (Firefox, IE)/doc tree displayed (Opera, Chrome)

 test1c.xml (+ xmlss->doc.xsl as text/xsl, xmlss->triv.css as text/css)
  XML in, XHTML produced by SS, CSS not used
   Works in IE, Chrome, Opera, Firefox   

test2.xml (+ xmlss->doc2.xsl as text/xsl)
 XML in, HTML produced by SS
  Works in IE, Chrome, Opera, Firefox   
  [res2.html shows the XHTML which is produced]

test3.html (+ link rel=stylesheet -> doc.xsl)
 XHTML in, SS not applied
  Works in IE, Chrome, Opera, Firefox (but note that Chrome _fetches_ the SS)

 test3a.html (+xmlss->triv.css as text/css)
  XHTML in, CSS is applied
   Works in IE, Chrome, Opera, Firefox

test4.html (+ xmlss->doc3.xsl as text/xsl)
 XHTML in, new XHTML produced by SS
  Works in IE, Chrome, Opera, Firefox   

 test4a.html (+ xmlss->doc3.xsl as text/xsl, +xmlss->triv.css as text/css)
  XHTML in, new XHTML produced by SS, CSS is not applied
   Works in IE, Chrome, Opera, Firefox