[PATCH] Improve performance of strstr

[Wilco Dijkstra]

Craig Howland wrote:

> It's not simply a comment, it is used in the generation of documentation (e.g. 
> make pdf), so, yes, definitely still useful and should/must be kept.  (The 
> FUNCTION, INDEX, SYNOPSYS, DESCRIPTION, RETURNS, etc., headings are used to 
> generate so-called chewout files (I have no idea why they are called that), 
> *.def, which in turn are used to make the various-format (e.g. PDF) man 
> pages/documents.)

Right I didn't realise that - I've added the comment back in the latest version.

Wilco