[texinfo-pretest] texinfo 4.7.91 pretest available

[Patrice Dumas]

Just a little thing about @euro and html xrefs. The @euro should be associated
qith an unicode codepoint, I suggest U+20AC, and there should be in 
HTML Xref Command Expansion
a line like:

@item @code{@@euro}            @tab U+20AC


Pat