Doxygen GUI frontend cannot process value with space #11722
Description
Describe the bug
When I write more than 3 path with space, Doxygen frontend warn below.
warning: Invalid value for 'INCLUDE_PATH' tag at line 2520, file -: Values in list '"C:\Program Files (x86)\Microsoft Visual Studio\2019\Professional\VC\Tools\MSVC\14.29.30133\include" "C:\Program Files (x86)\Windows Kits\10\Include\10.0.22621.0\um" "C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\km\crt\"' are not properly quoted
warning: tag INCLUDE_PATH: include path 'C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\km\crt"' does not exist
To Reproduce
In Doxyfile.cfg
INCLUDE_PATH = "C:\Program Files (x86)\Microsoft Visual Studio\2019\Professional\VC\Tools\MSVC\14.29.30133\include" \
"C:\Program Files (x86)\Windows Kits\10\Include\10.0.22621.0\um" \
"C:\Program Files (x86)\Windows Kits\10\Include\10.0.26100.0\km\crt\"
Expected behavior
without warning
Version
Windows 11, x64, doxygen 1.14.0