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yap-6.3/packages/sgml/ChangeLog
Vitor Santos Costa d6a06fe092 Experiment with porting SGML to YAP, and trying to preserve SWI code as much 
as possible.
2009-03-13 19:39:06 +00:00

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[Feb 16 2009]
* FIXED: Release HTML DTDs when using load_html_file/2 in a thread.
[Feb 15 2009]
* FIXED: Memory leak in SGML parser.
[Jan 21 2009]
* FIXED: RDF writer: write valid XML if the namespace entity contains characters
that must be %-escaped. Jacopo Urbani.
[Jan 13 2009]
* FIXED: RDF/XML could save illegal XML if multiple namespaces are used
for predicates where one namespace is a prefix of another one. Jacopo Urbani.
[Dec 19 2008]
* FIXED: Correct usage of content_length option in sgml_parse/3 when using callbacks. Needed to deal with streaming input for parsing RDF.
* ADDED: Pass content_length through process_rdf/3
[Oct 13 2008]
* CLEANUP: Avoid repetition and warnings on option processing predicates. Matt Lilley.
[Sep 11 2008]
* PORT: Add AC_PREREQ to configure.h for systems that auto-select autoconf
versions. After tip by Ulrich Neumerkel.
[Aug 11 2008]
* INSTALL: Remove all configure files from the git repository
[May 20 2008]
* MODIFIED: Streams in socket.pl and ssl.pl appeared unbuffered. They
are now fully buffered.
[Apr 18 2008]
* MODIFIED: Renamed hash_term/2 to term_hash/2. Added hash_term/2 to
library(backcomp), so most code should not notice this.
[Mar 1 2008]
* ENHANCED: Allow for GC from PL_handle_signals(), providing GC for foreign
code building large structures. This is now used by the SGML/XML parser
to avoid running unnecessarily out of stack.
[Feb 28 2008]
* FIXED: rdf_write_xml/2 loops if it encounters an rdf:Bag.
[Feb 18 2008]
* FIXED: More fixes for proper handling of rdf:Bag
[Feb 13 2008]
* FIXED: Emit rdf:Bag attributes (etc.) as rdf:li
* FIXED: possible failure in rdf_write_xml with http://t-d-b.org?
[Jan 23 2008]
* PORT: Bug#346: Allow overriding COFLAGS and CWFLAGS in package
configuration. Keri Harris.
[Jan 14 2008]
* FIXED: Bug#343: Handling bnodes in rdf_write_xml. Yver Raimond.
* FIXED: Added support for rdf:NodeID to rdf_write_xml/2. Yves Raimond.
[Dec 13 2007]
* FIXED: library(rdf_write) to deal with operators. Related to Bug#332
[Nov 12 2007]
* FIXED: Bug#320: Memory leak when parsing SGML NOTATIONs. Keri Harris.
Oct 30, 2007
* FIXED: xml_write/3 quoting of < in attributes. Dmitry Kuzmin.
Sep 11, 2007
* FIXED: xml_write/3 for multi-valued attributes such as IDREFS, NAMES,
etc. Victor de Boer and Anjo Anjewierden.
Jun 6, 2007
* MODIFIED: Avoid recursive expansion of entities, unless marked as
SGML content.
* FIXED: Strict XML comment syntax. Jacco van Ossenbruggen.
* FIXED: give error on bad entities in XML mode. Jacco van Ossenbruggen.
Feb 6, 2007
* MODIFIED: xml_quote_attribute no longer maps ' to &apos; See note in
quote.c
Nov 15, 2006
* FIXED: properly pass <?pi> instructions.
Oct 27, 2006
* ENHANCEMENT: Started branch XML_UNICODE to provide support for Unicode
filenames, tags and elements.
Aug 28, 2006
* DOCUMENTATION: Moved to sgml.doc, using the same system as the
remainder of the system.
Jul 25, 2006
* FIXED: space(default) handling. Juho Östman.
Jun 20, 2006
* FIXED: illegal read. Can cause wrong data and/or crashes.
Feb 16, 2006
* ENHANCED: various improvements of the sgml_write.pl library by Richard
O'Keefe.
Feb 12, 2006
* ENHANCED: xml_write/3: if encoding is `text', write the data as UTF-8
Feb 9, 2006
* FIXED: valgrind detected memory error. Not sure whether or not it was
a real error.
Feb 1, 2006
* PORT: Detect inline behaviour of compiler in configure
Jan 19, 2006
* FIXED: Allow for different deparators in in/excluded namegroup.
Anjo Anjewierden.
Jul 7, 2005
* ADDED: entiry(+Name, +Value) to (re-)define CDATA entity values.
Mar 31, 2005
* ADDED: make exceptions in call-backs from sgml_parse/3 return the
parser immediately with the given exception.
Mar 29, 2005
* ADDED: layout(Bool) option to the xml_write/3 and friends predciates.
Mar 21, 2005
* ADDED: specify dialect for loading DTDs. After mail from Sebastien Cabot.
* FIXED: Avoid error on thread_at_exit when using in single-threaded
Prolog. Anjo Anjewierden.
Mar 6, 2005
* ADDED: improved namespace and indentation support for xml_write/3.
Mar 5, 2005
* ADDED: xml_is_dom/1. Option header(Bool) to xml_write to suppress
writing the header.
Mar 4, 2005
* ADDED: xmlns support to xml_write/3.
* ENHANCED: library(sgml_write): Indent attributes if there are too many.
Mar 01, 2005
* ADDED: encoding argument to xml_quote_* and xml_name/2 predicates.
Feb 24, 2005
* ADDED: handle encoding="US-ASCII" for XML documents.
Feb 22, 2005
* MODIFIED: Use Sgetcode() rather than Sgetc() to get data from a Prolog
stream. Extended parser to accept characters outside 0..255 range.
Feb 7, 2005
* ADDED: when converting attributes to integers on 32-bit machines,
exploit 64-bit Prolog integers.
Jan 6, 2005
* FIXED: Documentation
Dec 21, 2004
* ADDED: library(sgml_write), providing conversion of parsed data to
a file.
Dec 20, 2004
* Working wide-character version. Consequences:
- CDATA attributes and content never contain entities anymore
as all text can now be represented.
- Limit on quoted CDATA attribute values (was 2048 characters)
has been removed.
Dec 19, 2004
* Start working on wide-character support: introducing wide-character
output buffers.
Dec 15, 2004
* FIXED: Bug#212: Disallow &#0; character entities.
Nov 25, 2004
* FIXED: utf-8 tests, avoid conflict with UTF-8 support in Prolog
Sep 13, 2004
* ENHANCED: load_html_file/2: add shorttag(false) to the load_structure/3
options for better parsing of common errornous HTML pages.
Aug 26, 2004
* FIXED: Bug#177: catalog files from $SGML_CATALOG_FILES were not
honoured. Simon Ambler. Also made catalog management thread-safe.
Jul 22, 2004
* MODIFIED: Updated XML-Schema (XSD) namespace in xsdp_types.pl
Apr 28, 2004
* ADDED: iso_639.pl: ISO-639 language identifiers.
Apr 27, 2004
* ADDED: first version of xsdp_types.pl, a module to do type checking
and type conversion for XSD (XML Schema DataTypes).
Apr 26, 2004
* FIXED: Bug#149: Buffer overflow reading too long NAME, NMTOKEN, etc.
Fabien Todescato.
Jan 17, 2004
* FIXED: handling <?xml ...?> switching from SGML to XML mode.
Fabien Todescato.
Jan 9, 2004
* FIXED: avoid sharing DTD objects between threads. Fabien Todescato.
Nov 20, 2003
* ADDED: xml_name/1 to test an atom to refer to a valid XML name.
Nov 3, 2003
* FIXED: Error parsing SHORTREF declaration that has whitespace at the
end. Richard O'Keefe.
Sep 12, 2003
* FIXED: Memory leak in load_structure/3 (not freeing the parser data).
Petter Egesund.
Jul 8, 2003
* ADDED: handle UTF-8 sequences producing characters that cannot be
represented as character entities. Suggested by C. M. Sperberg-McQueen.
* FIXED: handling &#X, where 128<=X<256 with UTF-8 decoding enabled.
C. M. Sperberg-McQueen.
Jun 9, 2003
* FIXED: SGML SHORTREF declaration performed case-insensitive entity
lookup. Richard O'Keefe.
Jun 4, 2003
* ENHANCED: type the conflicting CDATA in #PCDATA that violates the DTD
May 23, 2003
* FIXED: More catalog trouble. Richard O'Keefe.
May 22, 2003
* FIXED: Lookup of system identifiers through the catalogue (avoid early
tagging with file:) Richard O'Keefe.
May 21, 2003
* FIXED: Handle -- in element-names (Bijan Parsia).
May 8, 2003
* Fix registering catalog files
May 5, 2003
* Incorporated better CATALOG parsing by Richard O'Keefe. May be incomplete
or incorrect.
* FIXED: call(end, Goal) passing the element-name incorrectly (breaks
process_rdf/3).
* FIXED: delay unification of value in load_structure/3.
* FIXED: Properly expand UTF-8 values in CDATA attributes
* FIXED: Properly handle unquoted attributes at the end of an empty element
in XML mode <foo bar=10/>
* FIXED: #CONREF attribute handling in elements with declared content
(CDATA/RCDATA). Richard O'Keefe.
SWI-Prolog VERSION 5.0.10
=========================
* FIXED: properly handle elements that have only an <!ATTLIST declaration
but no <!ELEMENT declaration. (C. M. Sperberg-McQueen).
* FIXED: handle CDATA inside elements with content-type ANY
(C. M. Sperberg-McQueen).
* MODIFIED: silently ignore attempts to redefine entity declarations.
Richard O'Keefe.
* FIXED: skip [] for detection of nesting inside literal values and fix
handling of [] in the <!DOCTYPE xxx [...]> declaration. Richard O'Keefe.
* MODIFIED/ADDED: qualify_attributes option for xmlns mode. Default is
now *not* to qualify attributes.
* FIXED: Handle elements inside shorttag values. Thanks Richard O'Keefe
for providing a clear description how to handle this.
SWI-Prolog VERSION 5.0.9
========================
* FIXED: correct handling of content_length(Len) option (was reading one
character too many). Oops, normal reading was broken. Fixed.
* FIXED: Correctly handle marked sections ending in ]]]> rather than ]]>
Spotted by Adrian Boyko.
* ADDED: xml_quote_attribute/2 and xml_quote_cdata/2, providing simple
quote-support.
* FIXED: parse(content) option to the parser (multiple bugs) required for
process_rdf/3 (Girish Padmalayam).
* FIXED: dtd2pl: printing of NAMEOF and NMTOKEN attributes
(Joseph Wayne Norton).
* FIXED: load_structure/3 to pass doctype(_) to the correct place.
* ADDED: space(sgml) option. Was documented but omitted.
SWI-Prolog VERSION 4.0.11
=========================
* MODIFIED: When processing non-validated data in space-preserve mode, emit
ALL blank data (Richard O'Keefe).
* FIXED: close file after reading DTD from a file. (Anjo Anjewierden)
* FIXED: handling of (a) +(b) element declaraction (Richard O'Keefe)
* ADDED: Warning when redefining (parameter) entities.
* ENHANCED/FIXED: Process entities refering to files directly. This
reduces memory needs and fixes path-problems in recursive includes.
This applies for both normal and parameter entities.
* ADDED: Test for legal value in attributes with type NAMEOF (a|b)
* FIXED: Handle (a,b), (a&b) and (a|b) as equivalent in ATTLIST type
declaration.
* FIXED: option shorttag was spelled shortag.
* FIXED: Ensure the output is properly closed, even if the parser encounters
an unexpected end-of-file.
SWI-Prolog VERSION 4.0.6
========================
* FIXED: Data overwriting in <DOCTYPE ... [local stuff]> if local stuff
is too long (Andrew Dadakov).
* FIXED: Report elements not in the DTD allowed by the ANY model
as error (Andrew Dadakov).
* FIXED: Call sgml_nomem() after strdup in case of out-of-memory
(Richard O'Keefe).
* PORT: Removed alloca() usage (Richard O'Keefe).
* LIMIT: Make maximum string length 2048 to allow parsing HTML4 DTD.
Maybe we should remove comments while fetching parameter-entity
values?
* FIXED: Include #FIXED and defaulted arguments for omitted tags
(reported by Richard O'Keefe).
* ADDED: handle plain <!DOCTYPE doc> silently if the catalog contains
a DOCTYPE doc file.dtd entry.
* FIXED: Various issues in attribute handling with new routines supplied
by Richard O'Keefe. Added shorttag(Bool) to options you can set.
* ADDED: `make check' to run the test-suite.
* FIXED: Handling of &<tag> (Richard O'Keefe).
* FIXED: dtd2pl to use model(Model) to avoid amibiguity between CDATA and
(CDATA) model. Richard O'Keefe.
* FIXED: Various output aspects of the sgml driver program, notably case and
character escaping problems. By Richard O'Keefe.
* ADDED: Ignore SGML declaration in <!SGML ...>
* FIXED: Do not require ; after character-entity
* ADDED: Expand character and parameter entities while parsing literals
in a DTD (Richard O'Keefe).
VERSION 1.0.13
==============
* FIXED: Interpret <!ENTITY e STARTTAG "x"> as <!ENTITY e "<x>"> (well,
dependent on the delimiters). (Richard O'Keefe).
* FIXED: Allow omitted end-tag for RCDATA and CDATA elements (only effective
when hitting the end of the file).
* FIXED: Proper parsing of <!NOTATION ...> declaration. Also fixed
dtd_property(DTD, notations(Notations)) and modified
dtd_property(DTD, notation(N, Decl)).
* ADDED: <!ENTITY #DEFAULT ...> (Richard O'Keefe).
* FIXED: Ignore newline after entity
* FIXED: Allow omitted ; expanding entities in CDATA attributes
* FIXED: Possible crash with SHORTREF endding in &#RE.
* FIXED: avoid crash on illegal syntax in DTD omited-tag declaration
VERSION 1.0.12
==============
* FIXED: More white-space issues in handling quoted attribute values.
* ADDED: XML NAMECHARS to the default set. This seems to match HTML-4
better and will only in exceptional cases harm normal SGML processing.
* ADDED/MODIFIED: Attributes not in the source, but with a default or
fixed value declared in the DTD are now included in the output. The
old behaviour can be used using the defaults(false) option to
load_structure/3.
* FIXED: expand parameter-entities in <!USEMAP declaration.
* FIXED: sgml utility to canonise space in output of `list' attributes.
* FIXED: proper entity-expansion and blank-canonisation in attribute-vaues
(Richard O'Keefe).
* FIXED: false warning at start of NUTOKEN attribute (Richard O'Keefe).
VERSION 1.0.11
==============
* ADDED: handling of #CONREF attribute default (Richard O'Keefe).
* FIXED: sgml utility not to print "C" at the end when there where errors
(Richard O'Keefe)
* FIXED: handle value-shorthand for nmtoken (Richard O'Keefe)
* FIXED: &RE; SHORTREF handling if the newline appears as the first
character of a (new) #PCDATA block.
* CONFIG: Added -with-prolog=<Prolog> by Milan Zamazal for integration
as Debian (linux) package.
VERSION 1.0.10
==============
* UPDATE: calls to select/3 for compatibility to SWI-Prolog 3.4
* FIXED: Allow <!USEMAP before <!SHORTREF
* FIXED: handling the #empty map (SGML SHORTREF).
* MODIFIED: state-engine for <>, using a new state S_DECL0 after seeing <
to decide whether this is a non-escaped < in CDATA or a real tag. Also
changed comment-handling to avoid the need for parser->previous_char.
* ADDED: sgml utility allow for parsing stdin.
* PERFORMANCE: Improved expand_[p]entities(), providing about 10%
overall improvement.
* FIXED: crash in sgml (demo-)driver app causing a crash if the input
file has no extension (Richard O'Keefe).
* ADDED: support for RCDATA declared-content elements
* FIXED: SGML-mode: immediately close EMPTY elements (i.e. do not allow
for a closing </img>).
* IMPROVED: Error reporting on elements not in the DTD.
* ADDED: get_sgml_parser(Parser, dtd(-DTD)).
VERSION 1.0.8
=============
* FIXED: Problem in windows version regarding text/binary file and \ <-> /
difference.
* FIXED: Problem finding HTML4 .soc file
* FIXED: entity_file() to avoid a crash if the entity is not in the catalog.
* ADDED: Parse not-quoted attribute values that require quotes by parsing
upto the next layout character. Give a warning. For example:
<hr width=50%> is parsed as <hr width="50%">, but a warning is displayed.
* FIXED: Crash if start of file is not a declaration but ordinary non-blank
text.
* ADDED: Improved source-location handling and some additional call-backs
to the call-back interface, preparing the parser for supporting SGML
syntax highlighting and checking editors. See get_sgml_parser/2 and
sgml_parse/2 predicates.
VERSION 1.0.7
=============
* IMPROVED: Redirect all memory management to print a fatal error message
instead of crashing.
* IMPROVED: Handle the (illegal) comment <!-- some text -- more text -->
more elegantly: assume <!-- will be terminated by --> and generate a
warning if text was found outside --comment--.
* FIXED: Some issues in marked-section handling
* ADDED: Direct error reporting of sgml application through callback for
demo purposes. Message now includes the current dialect.
* FIXED: sgml application: do not convert case in XML mode.
* FIXED: Do not report error on not-declared xmlns attribute in XML mode.
* Cleaned Makefiles
VERSION 1.0.6
=============
* ADDED: SGML based documentation of the package with converters to LaTeX
and HTML in Prolog.
* ADDED/MODIFIED: number(NumberMode) option to the load_structure/3.
By default NUMBER and NUMBERS tokens are now parsed as tokens of digits.
Using number(integer) they are converted to Prolog integers, provided
they fit (Richard O'Keefe).
* ADDED: If a document is parsed without DTD and a catalog is provided,
try finding a matching DTD file from the catalog. If successful
print a warning and load this DTD.
* FIXED: Ensure the -xml flag to the sgml utility works again.
* INSTALL: Check for existence of runtex
* INSTALL: Do not cache Prolog related variables.
* FIXED: signed/unsigned character handling in catalog.c (Richard O'Keefe)
* MODIFIED: Representation for source-locations.
VERSION 1.0.5
=============
* MODIFIED: Get SYSTEM entities relative to the file in which the
entity is declared. Get PUBLIC entities from the second argument
if the catalog (entry) is not found.
* FIXED: Deal with elements only containing shortref references
* MODIFIED: Only insert missing close-tags that should not be on closing
outer environments, not because an element is encountered that fits in
an outer environment. Improves error behaviour.
* ADDED: Print default list values in dtd2pl
* ADDED: Support for the content-model ANY.
* ADDED: option -xml to pl2dtd to force it loading a DTD in XML mode.
* FIXED: Do not expand SHORTREF inside CDATA marked sections and elements.
* ADDED: Properly deal with NUTOKEN: handling DTD default and validate type.
* FIXED: Expand parameter entities in SHORTREF declaraction (Richard O'Keefe).
* FIXED: Handling of < as last character of a CDATA element
* FIXED: proper handling of &#RE; in SHORTREF
* FIXED: Open CDATA element when encountering a CDATA entity.
* FIXED: SHORTTAG with attributes: <foo a=b/value/
VERSION 1.0.4
=============
* FIXED: file_to_dtd() not to free the created DTD. This makes dtd2pl work
again. (Richard O'Keefe)
* FIXED: Allow for layout before sub-models: ( (a,b)|c). (Andrew Dadakov)
* FIXED: Allow for quoted nmtoken, etc. in ATTLIST declaration.
(Andrew Dadakov)
VERSION 1.0.3
=============
* FIXED: Allow for (a,b), etc. instead of just (a|b) where an element-list
is expected.
VERSION 1.0.2
=============
* ADDED: Partial SHORTTAG support (<tag/content/ and </>)
* ADDED: Prolog interface: map multi-valued attributes to a list.
* FIXED: ESIS output of the sgml utility to provide better compliant output
for attributes (before the open-tag, including the type and in UPPERCASE).
* ADDED: Handling <!SHORTREF ...> and friends.
* FIXED: Added &#RS;, &#RE;, &#TAB; and &#SPACE; (Richard O'Keefe)
* FIXED: Processing instruction is now <?....[?]> (i.e. optional closing ?)
Q: Is this XML or SGML? Check docs!
* FIXED: Line-number info for DOCTYPE declarations holding [declaractions].
* FIXED: NUMBER attribute declaration with default (skip layout afterwards)
* ADDED: Support for NOTATION attribute
* FIXED: memory allocation/free bug in model-reduction ((a|b)*)
* ADDED: Passing processing instructions to the user
* FIXED: Independent case-sensitivity switch for entities (SGML entities are
case sensitive).
* ADDED: SGML Blank-space handling
* FIXED: Completeness test for A&B?
* ADDED: Dummy make check (Richard O'Keefe)
VERSION 1.0.1
=============
* ADDED: Programmable XML namespace canonisation.
* ADDED: White space handling using the xlm:space attribute as well as
allow for setting the initial default as option to load_structure.
* FIXED: Allow for <!ENTITY name 'value'> (i.e. without CDATA type decl).
* FIXED: Allow for <!DOCTYPE name [DTD]> (i.e. no public nor system)
* FIXED: Avoid crash on bad attribute-list
* ADDED: Reporting errors and warnings through print_message/2.
* FIXED: Handling of end-of-file in CDATA
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