* Text Mode:: The major modes for editing text files.
* Outline Mode:: Editing outlines.
* TeX Mode:: Editing input to the formatter TeX.
-* HTML Mode:: Editing HTML files.
+* HTML Mode:: Editing HTML, SGML, and XML files.
* Nroff Mode:: Editing input to the formatter nroff.
* Formatted Text:: Editing formatted text directly in WYSIWYG fashion.
@end menu
Ref@TeX{}. @xref{Top, , RefTeX, reftex}.
@node HTML Mode
-@section SGML and HTML Modes
+@section SGML, XML, and HTML Modes
The major modes for SGML and HTML include indentation support and
commands to operate on tags. This section describes the special
@item C-c /
@kindex C-c / @r{(SGML mode)}
@findex sgml-close-tag
-Insert a close tag for the innermost unterminated tag (@code{sgml-close-tag}).
+Insert a close tag for the innermost unterminated tag
+(@code{sgml-close-tag}). If called from within a tag or a comment,
+close this element instead of inserting a close tag.
@item C-c 8
@kindex C-c 8 @r{(SGML mode)}
buffer as SGML (@code{sgml-validate}).
@end table
+@item C-x TAB
+@kindex C-c TAB @r{(SGML mode)}
+@findex sgml-tags-invisible
+Toggle the visibility of existing tags in the buffer. This can be
+used as a cheap preview.
+
@vindex sgml-xml-mode
SGML mode and HTML mode support XML also. In XML, every opening tag
must have an explicit closing tag. When @code{sgml-xml-mode} is
non-@code{nil}, SGML mode (and HTML mode) always insert explicit
closing tags. When you visit a file, these modes determine from the
file contents whether it is XML or not, and set @code{sgml-xml-mode}
-accordingly, so that they does the right thing for the file in either
+accordingly, so that they do the right thing for the file in either
case.
@node Nroff Mode