Version 0.12 came with 5.6.0, apparently. Version 0.21 came with 5.6.1. And it's Pod::Find, except that dumb Windoze doesn't care. One of the differences between the two versions:

     # check extension or executable flag
     # this involves testing the .bat extension on Win32!
-    unless($file =~ /\.(pod|pm|plx?)\z/i || (-f $file && -x _ && -T _
+)) {
-        return undef;
+    unless(-f $file && -T _ && ($file =~ /\.(pod|pm|plx?)\z/i || -x _
+ )) {
+      return undef;
     }
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When I ran your test code, I got a 0 for the first test, and a 1 for subsequent tests. I don't feel like firing up NT again to check it, but I think turning the test around would fix it.