Re: master 15afa72460b: Fix 'script-representative-chars' for the 'han' script

[Po Lu <luangruo@yahoo.com>]

Eli Zaretskii <eliz@gnu.org> writes:

> If you remove U+2E90, U+2F00, U+3300 and U+3400 from the list and
> rebuild Emacs, what happens if you insert U+2F75?  Does Emacs succeed
> to find another font which support that codepoint or does it appear as
> tofu?  If the latter, what happens if you in install some additional
> font which does support U+2F75?

I'll ask, but my intuition is that no font will be discovered, since a
font must support all of any characters defined as lists in
script-representative-chars to be eligible.

> IOW, I'm interested to know what happens on GNU/Linux if more than one
> font is available that together cover both the "usual" han characters
> and those additional ones which you think we should remove from
> script-representative-chars, but neither of these fonts supports all
> of those characters.  Can Emacs solve this by itself on GNU/Linux, or
> does it need "help" from the user's customization of the fontset?

Probably the latter, unless `han' is divided into scripts for
characters, obsolete characters, radicals, and the like.