If you want to link to a specific part of the online manual, you might want to use the following url instead of the direct reference to the html file---html file name may change if the manual is revised.
TOPIC can be a name of a function, a macro, a module, a class,
or a title of a chapter or a setction. To refer to the Japanese manual,
Some random notes related to the design of Gauche implementation. I have only Japanese documents for now.