RE: eval trouble

[Drew Adams]

> Please, why the comma before sym -- quoted, no less:
> > (put ',sym 'some 'value))))

See the Emacs manual, node Backquote.

Inside a backquote (`):
 ,sym evaluates sym and uses that value.
 ' then wraps that in (quote ...)

So if the value of sym is hello,
then ,sym gives hello and ',sym gives 'hello.