rick delaney hfvobortca nov 10 2007 sean orourke wrote checked changing regexecc2119 flags rexec_copy_str svreadonlysv fixes dont know implications might guess would safe enough think would better put svreadonly rexec_copy_str set pp_hotc1293 xxx comment global get safe 1 vars match aware leads dramatic slowdowns g matches large strings far solution problem appears quite tricky test unsafe vars todo global rxnparens svtemptarg pl_sawampersand rxextflags rxf_eval_seenrxf_pmf_keepcopy r_flags rexec_copy_str confused slowdown first place doesnt comment global code imply rexec_copy_str set g match expressions evaluating true rick delaney hfvobortca thu 07 aug 2008 162116 0500 possible avoid slowdown large mg