OK found regcomp.sym but they don't include things like TRIE-EXACT

Hi,

TRIE_STUDY_OPT at regcomp.c#l4668 looks interesting

4660                         if ( last && trietype ) {
4661                             if ( trietype != NOTHING ) {
4662                                 /* the last branch of the sequenc
+e was part of
4663                                  * a trie, so we have to construc
+t it here
4664                                  * outside of the loop */
4665                                 made= make_trie( pRExC_state, sta
+rtbranch,
4666                                                  first, scan, tai
+l, count,
4667                                                  trietype, depth+
+1 );
4668 #ifdef TRIE_STUDY_OPT
4669                                 if ( ((made == MADE_EXACT_TRIE &&
4670                                      startbranch == first)
4671                                      || ( first_non_open == first
+ )) &&
4672                                      depth==0 ) {
4673                                     flags |= SCF_TRIE_RESTUDY;
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