bug#64739: (forward-thing 'number) doesn't work with decimal numbers

[Joseph Turner]

Eli Zaretskii <eliz@gnu.org> writes:

> By "its own function" I meant that we implement it in Emacs, not that
> you implement it in your personal customizations.

I see that the definition of number-at-point includes two magic regexps,
one matching hex numbers and another matching decimal numbers. Would it
make sense to move those regexps into defconsts, and then create a new
function forward-number which uses those new constants?

Joseph