>  Smalltalk browseMethodsWithSourceString: '16r'
>
> Most constants are symbolic however so you can use the 'class
> var refs...'
> menu in the browser.

I wish!  Unfortunately, neither appears guaranteed to work.  There are '+
8', '- 4' and so on at irregular points through the code.  I may be reduced
to browsing source for anything with '4' or '8' in it, but it's nice to know
I can browse by source string.

		- Peter