libhtml: new HTML character codes
 [rsc] --rw-rw-r-- M 1115807 glenda sys 28128 Mar 24 12:19 sys/src/libhtml/lex.c
	[diffs elided - too long]
	[diff -c /n/sourcesdump/2006/0324/plan9/sys/src/libhtml/lex.c /n/sourcesdump/2006/0325/plan9/sys/src/libhtml/lex.c]