r-other-mott-happy.hbrem-dbg 2.4-1 (i386 binary) in ubuntu trusty

 The documentation of Happy is fairly complete, but the runtime itself
 does not inform as verbosely as users would like it on errors in
 configuration files. This debug package may complement nicely the
 on or other missing check on data integrity.
 .
 With this package installed, a debugger like 'gdb' indicates the
 position in the C implementation of R routines that spawned an error.