Update Expat XML parser to v2.7.0

Author: beutlich

ExternData/Resources/C-Sources/expat/README.md

@@ -11,7 +11,7 @@
 > at the top of the `Changes` file.
 
 
-# Expat, Release 2.6.4
+# Expat, Release 2.7.0
 
 This is Expat, a C99 library for parsing
 [XML 1.0 Fourth Edition](https://www.w3.org/TR/2006/REC-xml-20060816/), started by
@@ -22,9 +22,9 @@ are called when the parser discovers the associated structures in the
 document being parsed.  A start tag is an example of the kind of
 structures for which you may register handlers.
 
-Expat supports the following compilers:
+Expat supports the following C99 compilers:
 
-- GNU GCC >=4.5
+- GNU GCC >=4.5 (for use from C) or GNU GCC >=4.8.1 (for use from C++)
 - LLVM Clang >=3.5
 - Microsoft Visual Studio >=16.0/2019 (rolling `${today} minus 5 years`)
 
@@ -52,7 +52,7 @@ This approach leverages CMake's own [module `FindEXPAT`](https://cmake.org/cmake
 Notice the *uppercase* `EXPAT` in the following example:
 
 ```cmake
-cmake_minimum_required(VERSION 3.0)  # or 3.10, see below
+cmake_minimum_required(VERSION 3.10)
 
 project(hello VERSION 1.0.0)
 
@@ -62,12 +62,7 @@ add_executable(hello
     hello.c
 )
 
-# a) for CMake >=3.10 (see CMake's FindEXPAT docs)
 target_link_libraries(hello PUBLIC EXPAT::EXPAT)
-
-# b) for CMake >=3.0
-target_include_directories(hello PRIVATE ${EXPAT_INCLUDE_DIRS})
-target_link_libraries(hello PUBLIC ${EXPAT_LIBRARIES})
 ```
 
 ### b) `find_package` with Config Mode
@@ -85,7 +80,7 @@ or
 Notice the *lowercase* `expat` in the following example:
 
 ```cmake
-cmake_minimum_required(VERSION 3.0)
+cmake_minimum_required(VERSION 3.10)
 
 project(hello VERSION 1.0.0)
 
@@ -295,7 +290,7 @@ EXPAT_ENABLE_INSTALL:BOOL=ON
 // Use /MT flag (static CRT) when compiling in MSVC
 EXPAT_MSVC_STATIC_CRT:BOOL=OFF
 
-// Build fuzzers via ossfuzz for the expat library
+// Build fuzzers via OSS-Fuzz for the expat library
 EXPAT_OSSFUZZ_BUILD:BOOL=OFF
 
 // Build a shared expat library

ExternData/Resources/C-Sources/expat/lib/expat.h

@@ -11,7 +11,7 @@
    Copyright (c) 2000-2005 Fred L. Drake, Jr. <fdrake@users.sourceforge.net>
    Copyright (c) 2001-2002 Greg Stein <gstein@users.sourceforge.net>
    Copyright (c) 2002-2016 Karl Waclawek <karl@waclawek.net>
-   Copyright (c) 2016-2024 Sebastian Pipping <sebastian@pipping.org>
+   Copyright (c) 2016-2025 Sebastian Pipping <sebastian@pipping.org>
    Copyright (c) 2016      Cristian Rodríguez <crrodriguez@opensuse.org>
    Copyright (c) 2016      Thomas Beutlich <tc@tbeu.de>
    Copyright (c) 2017      Rhodri James <rhodri@wildebeest.org.uk>
@@ -1067,8 +1067,8 @@ XML_SetReparseDeferralEnabled(XML_Parser parser, XML_Bool enabled);
    See https://semver.org
 */
 #define XML_MAJOR_VERSION 2
-#define XML_MINOR_VERSION 6
-#define XML_MICRO_VERSION 4
+#define XML_MINOR_VERSION 7
+#define XML_MICRO_VERSION 0
 
 #ifdef __cplusplus
 }