lisp/gnus/mm-decode.el (mm-dissect-buffer): Guess content-type if the first token is missing in the Content-Type header
lisp/gnus/nndoc.el (nndoc-dissect-mime-parts-sub): Ditto
lisp/gnus/nndoc.el (nndoc-dissect-mime-parts-sub): Fix last change
* lisp/emacs-lisp/smie.el (smie-rule-parent): Fix opener-test.
* lisp/progmodes/ruby-mode.el (ruby-smie-rules):
Remove corresponding workaround.  Fix indentation rule of ";" so it
also applies when ";" is the parent.
* test/indent/ruby.rb: Move two examples to "working" section, add one
more.
* lisp/progmodes/ruby-mode.el (ruby-smie--at-dot-call): Use
`following-char'.
lisp/gnus/mm-decode.el (mm-dissect-buffer): Revert last change
lisp/gnus/nndoc.el (nndoc-dissect-mime-parts-sub): Ditto

The problem that motivated those changes was attributed to a broken
mail sender, and has been fixed.
Merge from gnulib.

This incorporates:
2013-10-14 acl: allow cross-compilation to Gentoo
2013-10-18 extern-inline: make safe for -Wundef usage
2013-09-30 fpending: use pure+const function attrs
* lib/fpending.h, m4/acl.m4, m4/extern-inline.m4: Update from gnulib.
Port to Solaris 10 and its bundled GCC.

Problem reported by Timothy C. Burt.
* floatfns.c (isfinite, isnan): Redefine unconditionally.
Make building in directories with whitespace possible
Make has trouble with targets containing whitespace, 
http://savannah.gnu.org/bugs/?712, so the general approach is
to use relative paths where possible.  It's generally only Emacs
itself that needs absolute paths, eg in src/epaths.h.

* configure.ac (srcdir): Don't make it absolute - abs_srcdir exists.

* Makefile.in (abs_srcdir): New, set by configure.
(buildlisppath): Use abs_srcdir.
(install-arch-indep, install-etcdoc, install-info, install-man)
(install-etc): Quote entities that might contain whitespace.

* admin/unidata/Makefile.in (emacs, ${DSTDIR}/charprop.el):
Quote entities that might contain whitespace.

* leim/Makefile.in (abs_srcdir): New, set by configure.
(buildlisppath): Use abs_srcdir.
(RUN_EMACS, .el.elc, changed.tit, changed.misc, leim-list.el)
($(srcdir)/ja-dic/ja-dic.el, setwins, distclean, check-declare):
Quote entities that might contain whitespace.

* lib-src/Makefile.in ($(DESTDIR)${archlibdir}):
Quote entities that might contain whitespace.

* lisp/Makefile.in (abs_srcdir, abs_lisp): New, set by configure.
(emacs, compile, compile-always):
Quote entities that might contain whitespace.
(custom-deps, finder-data, autoloads): Use abs_lisp.
($(MH_E_DIR)/mh-loaddefs.el, $(TRAMP_DIR)/tramp-loaddefs.el)
($(CAL_DIR)/cal-loaddefs.el, $(CAL_DIR)/diary-loaddefs.el)
($(CAL_DIR)/hol-loaddefs.el): Manually expand target file name.

* nextstep/Makefile.in (${ns_check_file} ${ns_appdir}):
Quote entities that might contain whitespace.

* nt/Makefile.in ($(DESTDIR)${archlibdir}):
Quote entities that might contain whitespace.

* src/Makefile.in (RUN_TEMACS): Make relative (again).
($(leimdir)/leim-list.el, .el.elc, $(lispsource)/loaddefs.el)
(bootstrap-emacs$(EXEEXT)):
Quote entities that might contain whitespace.

* test/automated/Makefile.in (abs_top_srcdir, top_builddir):
New, set by configure.
(top_srcdir): Remove.
(abs_test, abs_lispsrc): New.
(lisp): No longer absolute.
(emacs, lisp-compile, compile, compile-always):
Quote entities that might contain whitespace.
Progress towards allowing installation in directories with whitespace

* Makefile.in (COPYDESTS, write_subdir, install-arch-dep)
(install-arch-indep, install-etcdoc, install-info, install-man)
(install-etc, uninstall): Quote entities that might contain whitespace.

* build-aux/update-subdirs: Handle whitespace in argument.
Check cd return value.

* doc/emacs/Makefile.in (install-dvi, install-html, install-pdf)
(install-ps, uninstall-dvi, uninstall-html, uninstall-ps)
(uninstall-pdf): Quote entities that might contain whitespace.

* doc/lispintro/Makefile.in (install-dvi, install-html, install-pdf)
(install-ps, uninstall-dvi, uninstall-html, uninstall-ps)
(uninstall-pdf): Quote entities that might contain whitespace.

* doc/lispref/Makefile.in (install-dvi, install-html, install-pdf)
(install-ps, uninstall-dvi, uninstall-html, uninstall-ps)
(uninstall-pdf): Quote entities that might contain whitespace.

* doc/misc/Makefile.in (install-dvi, install-html, install-pdf)
(install-ps, uninstall-dvi, uninstall-html, uninstall-ps)
(uninstall-pdf): Quote entities that might contain whitespace.

* lib-src/Makefile.in ($(DESTDIR)${archlibdir}, need-blessmail, install)
(uninstall): Quote entities that might contain whitespace.

* nt/Makefile.in ($(DESTDIR)${archlibdir}, install, uninstall):
Quote entities that might contain whitespace.
More Makefile quoting

* Makefile.in (install-arch-dep, install-nt, uninstall, uninstall-nt):
Quote entities that might contain whitespace.
Auto-commit of generated files.
* ido.el (ido-tidy): Handle read-only text.
Comment
Tweak last font-related changes to fix bug#15686.
* alloc.c (mark_object) [HAVE_WINDOW_SYSTEM]: If marked frame
is a live window system frame, mark it's default font too.
Fix ChangeLog entry.
compile: Support GNU Make-4.0 directory quoting (tiny change)

* lisp/progmodes/compile.el (compilation-directory-matcher)
(compilation-page-delimiter): Support GNU Make-4.0 directory quoting.
* lisp/progmodes/ruby-mode.el (ruby-smie-rules): Don't return 0 for
:before ";".
Remove remaining @refills from doc/*/*.texi files
* lisp/progmodes/ruby-mode.el (ruby-smie-rules): Only align with parent of
{ if it is hanging.