Fix for vc-filewise.el unresolved-call glitch.
newsticker: Take care of UIDs when adding elements to cache.

* lisp/net/newst-backend.el (newsticker--parse-generic-items): Take
care of UIDs when adding elements to cache.
* dom.el: New file.
Use the new dom.el accessors in shr and eww

* net/shr.el: Ditto.

* net/eww.el: Use the new dom.el accessors throughout.
ChangeLog for last checkin
* text.texi (Document Object Model): New node to document dom.el.
* net/eww.el (eww-highest-readability): More dom.el fixes.
Pass -utf8 to tidy.

* lisp/textmodes/sgml-mode.el (sgml-validate-command): Pass -utf8 to tidy.
* text.texi (Document Object Model): Typo fix
configure.ac [MINGW]: Fix the way of getting the right host platform.

* configure.ac [MINGW]: Fix the way of getting the right host
platform.