Add pcrs_strerror() message for PCRE_ERROR_MATCHLIMIT
authorFabian Keil <fk@fabiankeil.de>
Sun, 24 Dec 2006 17:34:20 +0000 (17:34 +0000)
committerFabian Keil <fk@fabiankeil.de>
Sun, 24 Dec 2006 17:34:20 +0000 (17:34 +0000)
and give a hint why an error code might be unknown.

Catch NULL subjects early in pcrs_execute().


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