Bug 9718 - Add POD and comments for Check_Userid and Generate_Userid subs
Add plain English explanations in POD blocks for how the Check_Userid and Generate_Userid subs work.
Also add a comment explaining how the do loop works with the while condition in Generate_Userid, since the condition is worded awkwardly.
Signed-off-by: Chris Cormack <chris@bigballofwax.co.nz> Signed-off-by: Katrin Fischer <Katrin.Fischer.83@web.de>
String patch adding documentation.
POD test and other tests pass. Signed-off-by: Jared Camins-Esakov <jcamins@cpbibliography.com>