* lisp/nxml/TODO: Remove.

* etc/NEWS: Move nxml TODO items here.

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-* High priority
-
-** Command to insert an element template, including all required
-attributes and child elements.  When there's a choice of elements
-possible, we could insert a comment, and put an overlay on that
-comment that makes it behave like a button with a pop-up menu to
-select the appropriate choice.
-
-** Command to tag a region.  With a schema should complete using legal
-tags, but should work without a schema as well.
-
-** Provide a way to conveniently rename an element. With a schema should
-complete using legal tags, but should work without a schema as well.
-
-* Outlining
-
-** Implement C-c C-o C-q.
-
-** Install pre/post command hook for moving out of invisible section.
-
-** Put a modify hook on invisible sections that expands them.
-
-** Integrate dumb folding somehow.
-
-** An element should be able to be its own heading.
-
-** Optimize to avoid complete buffer scan on each command.
-
-** Make it work with HTML-style headings (i.e. level indicated by
-name of heading element rather than depth of section nesting).
-
-** Recognize root element as a section provided it has a title, even
-if it doesn't match section-element-name-regex.
-
-** Support for incremental search automatically making hidden text
-visible.
-
-** Allow title to be an attribute.
-
-** Command that says to recognize the tag at point as a section/heading.
-
-** Explore better ways to determine when an element is a section
-or a heading.
-
-** rng-next-error needs to either ignore invisible portion or reveal it
-(maybe use isearch oriented text properties).
-
-** Errors within hidden section should be highlighted by underlining the
-ellipsis.
-
-** Make indirect buffers work.
-
-** How should nxml-refresh outline recover from non well-formed tags?
-
-** Hide tags in title elements?
-
-** Use overlays instead of text properties for holding outline state?
-Necessary for indirect buffers to work?
-
-** Allow an outline to go in the speedbar.
-
-** Split up outlining manual section into subsections.
-
-** More detail in the manual about each outlining command.
-
-** More menu entries for hiding/showing?
-
-** Indication of many lines have been hidden?
-
-* Locating schemas
-
-** Should rng-validate-mode give the user an opportunity to specify a
-schema if there is currently none? Or should it at least give a hint
-to the user how to specify a non-vacuous schema?
-
-** Support for adding new schemas to schema-locating files. Add
-documentElement and namespace elements.
-
-** C-c C-w should be able to report current type id.
-
-** Implement doctypePublicId.
-
-** Implement typeIdBase.
-
-** Implement typeIdProcessingInstruction.
-
-** Support xml:base.
-
-** Implement group.
-
-** Find preferred prefix from schema-locating files.  Get rid of
-rng-preferred-prefix-alist.
-
-** Inserting document element with vacuous schema should complete using
-document elements declared in schema locating files, and set schema
-appropriately.
-
-** Add a ruleType attribute to the <include> element?
-
-** Allow processing instruction in prolog to contain the compact syntax
-schema directly.
-
-** Use RDDL to locate a schema based on the namespace URI.
-
-** Should not prompt to add redundant association to schema locating
-file.
-
-** Command to reload current schema.
-
-* Schema-sensitive features
-
-** Should filter dynamic markup possibilities using schema validity, by
-adding hook to nxml-mode.
-
-** Dynamic markup word should (at least optionally) be able to look in
-other buffers that are using nxml-mode.
-
-** Should clicking on Invalid move to next error if already on an error?
-
-** Take advantage of a:documentation. Needs change to schema format.
-
-** Provide feasible validation (as in Jing) toggle.
-
-** Save the validation state as a property on the error overlay to enable
-more detailed diagnosis.
-
-** Provide an Error Summary buffer showing all the validation errors.
-
-** Pop-up menu.  What is useful?  Tag a region (should be greyed out if
-the region is not balanced).  Suggestions based on error messages.
-
-** Have configurable list of namespace URIs so that we can provide
-namespace URI completion on extension elements or with schema-less
-documents.
-
-** Allow validation to handle XInclude.
-
-** ID/IDREF support.
-
-* Completion
-
-** Make it work with icomplete.  Only use a function to complete when
-some of the possible names have undeclared namespaces.
-
-** How should C-return in mixed text work?
-
-** When there's a vacuous schema, C-return after < will insert the
-end-tag.  Is this a bug or a feature?
-
-** After completing start-tag, ensure we don't get unhelpful message
-from validation
-
-** Syntax table for completion.
-
-** Should complete start-tag name with a space if namespace attributes
-are required.
-
-** When completing start-tag name with no prefix and it doesn't match
-should try to infer namespace from local name.
-
-** Should completion pay attention to characters after point?  If so,
-how?
-
-** When completing start-tag name, add required atts if only one required
-attribute.
-
-** When completing attribute name, add attribute value if only one value
-is possible.
-
-** After attribute-value completion, insert space after close delimiter
-if more attributes are required.
-
-** Complete on enumerated data values in elements.
-
-** When in context that allows only elements, should get tag
-completion without having to type < first.
-
-** When immediately after start-tag name, and name is valid and not
-prefix of any other name, should C-return complete on attribute names?
-
-** When completing attributes, more consistent to ignore all attributes
-after point.
-
-** Inserting attribute value completions needs to be sensitive to what
-delimiter is used so that it quotes the correct character.
-
-** Complete on encoding-names in XML decl.
-
-** Complete namespace declarations by searching for all namespaces
-mentioned in the schema.
-
-* Well-formed XML support
-
-** Deal better with Mule-UCS
-
-** Deal with UTF-8 BOM when reading.
-
-** Complete entity names.
-
-** Provide some support for entity names for MathML.
-
-** Command to repeat the last tag.
-
-** Support for changing between character references and characters.
-Need to check that context is one in which character references are
-allowed.  xmltok prolog parsing will need to distinguish parameter
-literals from other kinds of literal.
-
-** Provide a comment command to bind to M-; that works better than the
-normal one.
-
-** Make indenting in a multi-line comment work.
-
-** Structure view.  Separate buffer displaying element tree. Be able to
-navigate from structure view to document and vice-versa.
-
-** Flash matching >.
-
-** Smart selection command that selects increasingly large syntactically
-coherent chunks of XML.  If point is in an attribute value, first
-select complete value; then if command is repeated, select value plus
-delimiters, then select attribute name as well, then complete
-start-tag, then complete element, then enclosing element, etc.
-
-** ispell integration.
-
-** Block-level items in mixed content should be indented, e.g:
-  <para>This is list:
-    <ul>
-      <li>item</li>
-
-** Provide option to indent like this:
-
-**   <para>This is a paragraph
-    occupying multiple lines.</para>
-
-** Option to add make a / that closes a start-tag electrically insert a
-space for the XHTML guys.
-
-** C-M-q should work.
-
-* Datatypes
-
-** Figure out workaround for CJK characters with regexps.
-
-** Does category C contain Cn?
-
-** Do ENTITY datatype properly.
-
-* XML Parsing Library
-
-** Parameter entity parsing option, nil (never), t (always),
-unless-standalone (unless standalone="yes" in XML declaration).
-
-** When a file is currently being edited, there should be an option to
-use its buffer instead of the on-disk copy.
-
-* Handling all XML features
-
-** Provide better support for editing external general parsed entities.
-Perhaps provide a way to force ignoring undefined entities; maybe turn
-this on automatically with <?xml encoding=""?> (with no version
-pseudo-att).
-
-** Handle internal general entity declarations containing elements.
-
-** Handle external general entity declarations.
-
-** Handle default attribute declarations in internal subset.
-
-** Handle parameter entities (including DTD).
-
-* RELAX NG
-
-** Do complete schema checking, at least optionally.
-
-** Detect include/external loops during schema parse.
-
-** Coding system detection for schemas.  Should use utf-8/utf-16 per the
-spec. But also need to allow encodings other than UTF-8/16 to support
-CJK charsets that Emacs cannot represent in Unicode.
-
-* Catching XML errors
-
-** Check public identifiers.
-
-** Check default attribute values.
-
-* Performance
-
-** Explore whether overlay-recenter can cure overlays performance
-problems.
-
-** Cache schemas. Need to have list of files and mtimes.
-
-** Make it possible to reduce rng-validate-chunk-size significantly,
-perhaps to 500 bytes, without bad performance impact: don't do
-redisplay on every chunk; pass continue functions on other uses of
-rng-do-some-validation.
-
-** Cache after first tag.
-
-** Introduce a new name class that is a choice between names (so that
-we can use member)
-
-** intern-choice should simplify after patterns with same 1st/2nd args
-
-** Large numbers of overlays slow things down dramatically.  Represent
-errors using text properties.  This implies we cannot incrementally
-keep track of the number of errors, in order to determine validity.
-Instead, when validation completes, scan for any characters with an
-error text property; this seems to be fast enough even with large
-buffers. Problem with error at end of buffer, where there's no
-character; need special variable for this.  Need to merge face from
-font-lock with the error face: use :inherit attribute with list of two
-faces.  How do we avoid making rng-valid depend on nxml-mode?
-
-* Error recovery
-
-** Don't stop at newline in looking for close of start-tag.
-
-** Use indentation to guide recovery from mismatched end-tags
-
-** Don't keep parsing when currently not well-formed but previously
-well-formed
-
-** Try to recover from a bad start-tag by popping an open element if
-there was a mismatched end-tag unaccounted for.
-
-** Try to recover from a bad start-tag open on the hypothesis that there
-was an error in the namespace URI.
-
-** Better recovery from ill-formed XML declarations.
-
-* Useability improvements
-
-** Should print a "Parsing..." message during long movements.
-
-** Provide better position for reference to undefined pattern error.
-
-** Put Well-formed in the mode-line when validating against any-content.
-
-** Trim marking of illegal data for leading and trailing whitespace.
-
-** Show Invalid status as soon as we are sure it's invalid, rather than
-waiting for everything to be completely up to date.
-
-** When narrowed, Valid or Invalid status should probably consider only
-validity of narrowed region.
-
-* Bug fixes
-
-** Need to give an error for a document like: <foo/><![CDATA[  ]]>
-
-** Make nxml-forward-balanced-item work better for the prolog.
-
-** Make filling and indenting comments work in the prolog.
-
-** Should delete RNC Input buffers.
-
-** Figure out what regex use for NCName and use it consistently,
-
-** Should have not-well-formed tokens in ref.
-
-** Require version in XML declaration? Probably not because prevents
-use for external parsed entities. At least forbid standalone
-without version.
-
-** Reject schema that compiles to rng-not-allowed-ipattern.
-
-** Move point backwards on schema parse error so that it's on the right token.
-
-* Internal
-
-** Use rng-quote-string consistently.
-
-** Use parsing library for XML to texinfo conversion.
-
-** Rename xmltok.el to nxml-token.el.  Use nxml-t- prefix instead of
-xmltok-. Change nxml-t-type to nxml-t-token-type, nxml-t-start to
-nxml-t-token-start.
-
-** Can we set fill-prefix to nil and rely on indenting?
-
-** xmltok should make available replacement text of entities containing
-elements
-
-** In rng-valid, instead of using modification-hooks and
-insert-behind-hooks on dependent overlays, use same technique as
-nxml-mode.
-
-** Port to XEmacs.  Issues include: Unicode (XEmacs seems to be based on
-Mule-UCS); overlays/text properties vs extents; absence of
-fontification-functions hook.
-
-* Fontification
-
-** Allow face to depend on element qname, attribute qname, attribute
-value.  Use list with pairs of (R . F), where R specifies regexps and
-F specifies faces.  How can this list be made to depend on the
-document type?
-
-* Other
-
-** Support RELAX NG XML syntax (use XML parsing library).
-
-** Support W3C XML Schema (use XML parsing library).
-
-** Command to infer schema from current document (like trang).
-
-* Schemas
-
-** XSLT schema should take advantage of RELAX NG to express cooccurrence
-constraints on attributes (e.g. xsl:template).
-
-* Documentation
-
-** Move material from README to manual.
-
-** Document encodings.
-
-* Notes
-
-** How can we allow an error to be displayed on a different token from
-where it is detected?  In particular, for a missing closing ">" we
-will need to display it at the beginning of the following token.  At
-the moment, when we parse the following token the error overlay will
-get cleared.
-
-** How should rng-goto-next-error deal with narrowing?
-
-** Perhaps should merge errors having same start position even if they
-have different ends.
-
-** How to handle surrogates? One possibility is to be compatible with
-utf8.e: represent as sequence of 4 chars.  But utf-16 is incompatible
-with this.
-
-** Should we distinguish well-formedness errors from invalidity errors?
-(I think not: we may want to recover from a bad start-tag by implying
-an end-tag.)
-
-** Seems to be a bug with Emacs, where a mouse movement that causes
-help-echo text to appear counts as pending input but does not cause
-idle timer to be restarted.
-
-** Use XML to represent this file.
-
-** I had a TODO which said simply "split-string". What did I mean?
-
-** Investigate performance on large files all on one line.
-
-* Issues for Emacs versions >= 22
-
-** Take advantage of UTF-8 CJK support.
-
-** Supply a next-error-function.
-
-** Investigate this NEWS item "Emacs now tries to set up buffer coding
-systems for HTML/XML files automatically."
-
-** Take advantage of the pointer text property.
-
-** Leverage char-displayable-p.
-
-Local variables:
-mode: outline
-end: