perlfunc/substr: Don’t mention dev release

Dev releases are an artefact of the developement process, so mentioning
them is not helpful to the average reader.

diff --git a/pod/perlfunc.pod b/pod/perlfunc.pod
index 7e48e1c..bb9c355 100644 (file)
--- a/pod/perlfunc.pod
+++ b/pod/perlfunc.pod
@@ -6980,7 +6980,7 @@ when the target string is modified:
         print $_,"\n";                # prints f
     }
 
-Prior to Perl version 5.9.1, the result of using an lvalue multiple times was
+Prior to Perl version 5.10, the result of using an lvalue multiple times was
 unspecified.  Prior to 5.16, the result with negative offsets was
 unspecified.