A simple single line, triple-quoted comment is giving syntax error. Why?

[Dave Angel]

On 03/26/2015 01:09 AM, Ian Kelly wrote:
 >
 >
 >>>>> 
https://docs.python.org/3/reference/lexical_analysis.html#string-literal-concatenation
>
> What the grammar that you quoted from shows is that STRING+ is an
> expression. The individual STRINGs of a STRING+ are not expressions,
> except to the extent that they can be parsed in isolation as a
> STRING+. By the same token, a STRING+ is a single string literal, not
> an aggregate of several.
>

That's the way I also read the BNF.  But something I cannot find in that 
chapter of the reference is the definition of STRING+

Naturally searching for 'string' finds way too many spurious refs.



-- 
DaveA