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The latest spec for what it essentially an XPath extension seems to be
this working draft from 2002:
https://www.w3.org/TR/xptr-xpointer/
The xpointer() scheme is listed as "being reviewed" in the XPointer
registry since at least 2006. libxml2 seems to be the only modern
software that tries to implement this spec, but the code has many bugs
and quality issues.
If you configure --with-legacy, old symbols are retained for ABI
compatibility.
Throw an error if entity substitution was requested.
Now we only downgrade to a warning if
- XML_PARSE_DTDLOAD wasn't specified, and
- entity aren't substituted or XML_PARSE_NO_XXE was specified.
Should fix#724.
This should only be done in xmlParseReference.
The handling of undeclared entities is still somewhat inconsistent. In
element content we create references even if entity substitution is
enabled. In attribute values undeclared entities are always ignored.
Always use XML_WAR_UNDECLARED_ENTITY with warning error level in
documents with external subset or parameter entities. Use
XML_ERR_UNDECLARED_ENTITY otherwise.
Also decode entities in namespace URIs if entity substitution wasn't
requested. This should fix some corner cases when comparing namespace
URIs. The Namespaces in XML 1.0 spec says:
> In a namespace declaration, the URI reference is the normalized value
> of the attribute, so replacement of XML character and entity
> references has already been done before any comparison.
Make the serialization code escape special characters in namespace URIs
like in attribute values. This fixes serialization if entities were
substituted when parsing.
Fixes https://gitlab.gnome.org/GNOME/libxslt/-/issues/106
Commit 9e1c72da from 2001 introduced a bug where xmlAddPrevSibling and
xmlAddNextSibling would only try to merge text nodes with one of its
new siblings. Commit 4ccd3eb8 fixed this bug but unfortunately, lxml
and possibly other downstream code depend on text nodes not being
merged.
To avoid breaking downstream code while still having somewhat
consistent API behavior, it's probably best to make these functions
never coalesce text nodes.
Fixes a regression from commit e0dd330b, resulting in duplicate
attributes in the predefined XML namespace not being detected or
extraneous default attributes being passed.
Fixes#704.
This is a useful function to get a verbose error report.
Allows to remove duplicated code from runtest.c. Also reactivate check
for schema parser failures.
Don't use a separate function to handle "complex" attributes. Validate
UTF-8 byte sequences without decoding. This should improve performance
considerably when parsing multi-byte UTF-8 sequences.
Use a string buffer to avoid unnecessary allocations and copying when
expanding entities.
Normalize attribute values in a single pass while expanding entities.
Be more lenient in recovery mode.
If no entity substitution was requested, validate entities without
expanding. Fixes#596.
Also fixes#655.
Make sure that references from IDs are updated.
Note that if there are IDs with the same value in a document, the last
one will now be returned. IDs should be unique, but maybe this should be
addressed.
Use in ctxt->input->entity instead of ctxt->inputNr to determine whether
we are inside a parameter entity.
Stop using ctxt->external to check whether we're in an external DTD.
This is signaled by ctxt->inSubset == 2.
These were added recently in ea695ac0 and 8074b881 but were a total mess
of symbolic links and apparently mixed up files.
Symbolic links don't work on Windows.
Try to salvage one of the tests.
This allows to report the reason why opening a file failed to the parser
context and improve error messages. Now we can also remove the stat call
before opening a file.
Pass RelaxNG structured error handler to XML parser.
Handle malloc failure from xmlRaiseError.
Remove argument from memory error handler.
Use xmlRaiseMemoryError.
Don't use xmlGenericError.
Remove TODO macro.
Fix places where malloc failures aren't reported.
Introduce new API function xmlAddEntity that returns separate error
codes.
Don't invoke global error handler for low-level errors which should be
handled by higher layers.
Invalid redelcaration warnings will be fixed later.
This regressed in commit e0dd330b.
Also fixes a long-standing issue where namespaces from default
attributes weren't added if they match an existing namespace.
Fixes#643.
Partial revert of cb927e85 fixing CRLFs not incrementing the line
number.
This requires to rework xmlParseQNameHashed. The original implementation
prompted the change to xmlCurrentChar which really shouldn't modify the
'cur' pointer as side effect. But the NEXTL macro relies on this
behavior.
Ultimately, we should reintroduce the change to xmlCurrentChar and fix
the NEXTL macro. This will lead to single CRs incrementing the line
number as well which seems more consistent.
Fixes#628.
Functions like xmlCleanSpecialAttr scan a hash table and possibly delete
entries in the callback. xmlHashScanFull must detect such deletions and
rescan the entry.
This regressed when rewriting the hash table code in 4a513d56.
Fixes#626.
