--- code/trunk/doc/html/pcreapi.html 2007/02/24 21:40:03 63 +++ code/trunk/doc/html/pcreapi.html 2007/02/24 21:40:08 65 @@ -633,11 +633,13 @@

-For a non-anchored pattern, return the value of the rightmost literal byte -which must exist in any matched string, other than at its start. The fourth -argument should point to an int variable. If there is no such byte, or if -the pattern is anchored, -1 is returned. For example, for the pattern -/a\d+z\d+/ the returned value is 'z'. +Return the value of the rightmost literal byte that must exist in any matched +string, other than at its start, if such a byte has been recorded. The fourth +argument should point to an int variable. If there is no such byte, -1 is +returned. For anchored patterns, a last literal byte is recorded only if it +follows something of variable length. For example, for the pattern +/^a\d+z\d+/ the returned value is "z", but for /^a\dz\d/ the returned value +is -1.