Markus Ernst wrote:
I could imagine a hypothetic Web application that generates class names
from any other information, which may start with a digit. Thus class
names may not even be known at coding time. In that case, escaping all
digits might be a valuable alternative.
Far simpler would be to add an explicit prefix
selected from the nmstart set ([_a-z]|{nonascii}|{escape}).
Yes, by all means escape what follows, but don't
blindly start an identifier with some arbitrary
escape sequence.
Philip Taylor
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