Author: Muelli
Revision Date: 2014-08-11 10:50:48 UTC

assigned a real value to $limit, namely $limit in case detaint worked

detaint returns "a true value" which might not necessarily be
a natural number, I guess.
With this change, I hope to have proper values in $limit, not NULL.

Author: Tobias Mueller
Revision Date: 2010-07-07 01:24:08 UTC

Monitor: Print the errorneous character if we detected any

It is very annoying to not know why qemu bails out on a specific
character. So give the user that information as requested in
https://bugs.launchpad.net/ubuntu/+source/qemu-kvm/+bug/543478