The following testcase illustrates the issue. Reported here:
http://gcc.gnu.org/ml/fortran/2008-06/msg00149.html program check1 real x namelist/casein/x read(1,casein) print*,x end fort.1 contains: &CASEIN x=1. / Two tabs precede x. -- Summary: namelist failure with tabs preceding object name Product: gcc Version: 4.4.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: libfortran AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: jvdelisle at gcc dot gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36538