# additional HTML index files: index.hhp, index.hhc, and index.hhk. The
# index.hhp is a project file that can be read by Microsoft's HTML Help Workshop
# (see:
-# https://www.microsoft.com/en-us/download/details.aspx?id=21138) on Windows.
+# https://learn.microsoft.com/en-us/previous-versions/windows/desktop/htmlhelp/microsoft-html-help-1-4-sdk) on Windows.
#
# The HTML Help Workshop contains a compiler that can convert all HTML output
# generated by doxygen into a single compiled HTML file (.chm). Compiled HTML