LIKE ESCAPE doc fix (was Re: [DOCS] functions-matching correct?)

Tom Lane wrote:
> Joe Conway <mail(at)joeconway(dot)com> writes:
>
>>7.2.1 docs:
>>http://www.postgresql.org/idocs/index.php?functions-matching.html#FUNCTIONS-LIKE
>
>
>>" It's also possible to select no escape character by writing ESCAPE ''.
>>In this case there is no way to turn off the special meaning of
>>underscore and percent signs in the pattern."
>
>
>>7.3 development docs:
>>http://developer.postgresql.org/docs/postgres/functions-matching.html#FUNCTIONS-LIKE
>
>
>>" It's also possible to select no escape character by writing ESCAPE ''.
>>This effectively disables the escape mechanism and turns off the special
>>meaning of underscore and percent signs in the pattern."
>
>
>>I think the former is still correct, isn't it?
>
>
> Yes, as is easily proven by experiment:
>
> regression=# select 'foo' LIKE 'f%';
> ?column?
> ----------
> t
> (1 row)
>
> regression=# select 'foo' LIKE 'f%' escape '';
> ?column?
> ----------
> t
> (1 row)
>
> Who put that change in?

Here's a small doc patch to fix this issue. Please apply.

Thanks,

Joe