Re: Slight imprecision in documentation

[Jose E. Marchesi]

Hi Massimo.

    So, I think the documentation should be updated from:
    
    regexp1|\||regexp2

You mean REGEXP1\|REGEXP2 ...

       Matches either regexp1 or regexp2. Use parentheses to use complex
       alternative regular expressions. The matching process tries each
       alternative in turn, from left to right, and the first one that
       succeeds is used. It is a GNU extension.
    
    to:
    
    regexp1|\||regexp2

Same here...

       Matches either regexp1 or regexp2. Use escaped parentheses to use
       complex alternative regular expressions. The matching process tries
       each alternative in turn, from left to right, and the first one that
       succeeds is used. It is a GNU extension.

IMO the description is quite clear as it is now but anyway, we lose
nothing by removing this potential source of confusion :)

I updated the manual as suggested.
Thanks!