/* This file contains the main Perl opcode execution loop. It just
* calls the pp_foo() function associated with each op, and expects that
* function to return a pointer to the next op to be executed, or null if
- * its the end of the sub or program or whatever.
+ * it's the end of the sub or program or whatever.
*
* There is a similar loop in dump.c, Perl_runops_debug(), which does
* the same, but also checks for various debug flags each time round the