Re: [LFS Trac] #5902: XML-Parser-2.57 (was: XML-Parser-2.56)

#5902: XML-Parser-2.57
-------------------------+-----------------------
 Reporter:  Bruce Dubbs  |       Owner:  lfs-book
     Type:  enhancement  |      Status:  new
 Priority:  normal       |   Milestone:  13.1
Component:  Book         |     Version:  git
 Severity:  normal       |  Resolution:
 Keywords:               |
-------------------------+-----------------------
Changes (by Bruce Dubbs):

 * summary:  XML-Parser-2.56 => XML-Parser-2.57


Old description:

> New minor version.

New description:

 New minor version.

 2.57 2026-04-07

   Fixes:
     - Fix PE parsing regression that broke XML::Twig DTD
       round-tripping: defer parameter entity parsing activation to when a
       declaration handler is registered, preventing PE references from
       being consumed by the empty sub-parser instead of reaching the
       Default handler
     - Add regression tests for post-root character data
       routing and add ppport.h for XS backward compatibility macros
     - Add NULL check after XML_ParserCreate_MM to prevent
       segfault on memory allocation failure
     - Replace deprecated indirect object syntax in
       LWPExternEnt.pl (new URI(...) -> URI->new(...), etc.) for forward
       compatibility with Perl 5.36+ where 'use v5.36' disables the
       indirect feature. Also add 'use strict' to the file

   Improvements:
     - Add downstream CI testing for XML::XPath, XML::DOM, and
       XML::Twig to catch breakage in major consumers before release

   Maintenance:
     - Convert t/char_end_doc.t to Test::More; all 57 test files
       now consistently use Test::More
     - Expand CLAUDE.md with project conventions for generated
       files, releases, and testing
     - Add test coverage for load_encoding, xml_escape edge
       cases, and ContentModel API
     - Add test coverage for element_index, position_in_context,
       specified_attr, and setHandlers
     - Add test coverage for recognized_string, default_current,
       and original_string introspection methods
     - Add test coverage for context-tracking API (context,
       current_element, in_element, within_element, depth)
     - Add test coverage for parse_start/ExpatNB non-blocking
       parser API
     - Replace indirect object syntax in test files (t/decl.t,
       t/parament.t, t/external_ent.t)
     - Add test coverage for IO control character rejection in
       external entity paths

 2.56 2026-04-02 (by Todd Rinaldo)

   Fixes:
     - Skip original_string test when expat lacks
       XML_CONTEXT_BYTES, fixing false test failures on platforms
       where libexpat is compiled without XML_CONTEXT_BYTES (e.g.
       DragonFlyBSD system expat)

 2.55 2026-04-01 (by Todd Rinaldo)

   Fixes:
     - Fix struct-return ABI mismatch in XML_ExpatVersionInfo()
       by parsing the version string instead of using the struct return,
       which was corrupted when Perl and libexpat used different struct
       return conventions (-fpcc-struct-return vs -freg-struct-return)
     - Revert defaulthandle char
       routing and standalone string changes that broke downstream CPAN
       modules (XML-Twig, XML-DOM, XML-XPath)
     - Increase deep_nesting test depth from 600 to
       2048 to actually exercise the st_serial_stack reallocation code
       path
     - Update expat download URL from SourceForge to GitHub in
       the "expat not found" error message

   Improvements:
     - Add AddressSanitizer CI job for XS memory safety
       to catch heap buffer overflows and use-after-free bugs

   Maintenance:
     - Modernize last 4 print-ok test files (astress, namespaces,
       stream, skip) to Test::More with descriptive test names
     - Remove obsolete .travis.yml (project uses GitHub Actions)

--
Comment:

 Now version 2.57.
-- 
Ticket URL: <https://wiki.linuxfromscratch.org/lfs/ticket/5902#comment:4>
LFS Trac <https://wiki.linuxfromscratch.org/lfs/>
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