* update pugixml Improvements: Many xml_attribute:: and xml_node:: functions now transparently support std::string_view and std::string when C++17 support is detected. CMake improvements: Improve pkg-config file generation for NixOS PUGIXML_BUILD_APPLE_FRAMEWORK CMake option can be used to build pugixml as .xcframework PUGIXML_INSTALL CMake option can be used to disable installation targets Compatibility improvements: Fix clang/gcc warnings -Wzero-as-null-pointer-constant, -Wuseless-cast, -Wshorten-64-to-32 Fix unreferenced function warnings in PUGIXML_NO_STL configuration Fix CMake 3.31 deprecation warnings Stop using deprecated throw() when noexcept is available Improvements: xml_attribute::set_name and xml_node::set_name now have overloads that accept pointer to non-null-terminated string and size Implement parse_merge_pcdata parsing mode in which PCDATA contents is merged into a single node when original document had comments that were skipped during parsing xml_document::load_file now returns a more consistent error status when given a path to a folder Bug fixes: Fix assertion in XPath number→string conversion when using non-English locales Fix PUGIXML_STATIC_CRT CMake option to correctly select static CRT when using MSVC and recent CMake Compatibility improvements: Fix GCC 2.95/3.3 builds Fix CMake 3.27 deprecation warnings Fix XCode 14 sprintf deprecation warning when compiling in C++03 mode Fix clang/gcc warnings -Wweak-vtables, -Wreserved-macro-identifier * Update CMakeLists.txt * pugixml: upgrade to v1.15 * pugixml: Add export directives for non-windows platforms * pugixml: replace NULL by nullptr. --------- Co-authored-by: Andrea <realeandrea@yahoo.it> Co-authored-by: mosfet80 <10235105+mosfet80@users.noreply.github.com>