After upgrading to 12.04 this bug still occurs.
It seems fixed in Debian: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=631816
The control file has Replaces: libqwt5-qt4-dev (<< 6.0.0-)
but "6.0.0-" is not a valid version number.
Please update the package.
After upgrading to 12.04 this bug still occurs.
It seems fixed in Debian: http:// bugs.debian. org/cgi- bin/bugreport. cgi?bug= 631816
The control file has
Replaces: libqwt5-qt4-dev (<< 6.0.0-)
but
"6.0.0-" is not a valid version number.
Please update the package.