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Merge branch 'master' of git+ssh://git.eigenstate.org/git/ori/libregex

--- a/interp.myr

+++ b/interp.myr

@@ -7,6 +7,7 @@

 	const search	: (re : regex#, str : byte[:] -> std.option(byte[:][:]))

 ;;

+/* Ugly: for performance. std.option() should be used instead when unions get faster. */

 const Zthr = 0 castto(rethread#)

 const exec = {re, str

@@ -136,8 +137,8 @@

 			thr.ip++

 		;;

 	/*

-	  Non-consuming. All of these recursively call step() until

-	  exactly one byte is consumed from the string.

+	  Non-consuming. All of these return false, and expect step to be

+	  called again until exactly one byte is consumed from the string.

 	 */

 	| `Ibol:

 		trace(re, thr, "\t%z:\tBol\n", thr.ip)