On Wed, Dec 24, 2014 at 12:27:25PM +0900, Stephen J. Turnbull wrote: > AFAIK the encoding declaration is optional, defaulting to UTF-8. In > that case, we can (and IMHO *should*, but I am no longer an expert on > current encoding practice) require that our software generate UTF-8 > and omit the declaration. Non-UTF-8 should be invalid in Info-HTML.
The fact is that some users have ASCII-incompatible default encodings (like UTF-16). if we add the declaration, it costs little, but the pages just work for them.
