Add JPEGXL_ENABLE_DOXYGEN option for Doxygen documentation (#1230)
Add JPEGXL_ENABLE_DOXYGEN option for Doxygen documentation (#1230)


libjxl/libjxl,libjxl/libjxl,libjxl/libjxl,libjxl/libjxl,libjxl/libjxl,libjxl/libjxl,libjxl/libjxl,libjxl/libjxl