[Remove entries to the current 2.0 section below, when backported]
+ *) Add support for use of an external PCRE library; pass the
+ --with-pcre flag to configure. PR 27550. [Joe Orton,
+ Andres Salomon <dilinger voxel.net>]
+
+ *) Renamed regex interfaces to be namespace-safe, and moved from
+ pcreposix.h header to ap_regex.h: regex_t->ap_regex_t,
+ regmatch_t->ap_regmatch_t; REG_*->AP_REG_*; functions
+ reg*->ap_reg*. PR 27550. [Andres Salomon <dilinger voxel.net>,
+ Joe Orton]
+
*) Only recompile buildmark.c when we have to relink httpd.
[Justin Erenkrantz]