@code{fortran-continuation-string} specifies what character to put in
column 5. A line that starts with a tab character followed by any digit
except @samp{0} is also a continuation line. We call this style of
-continuation @dfn{tab format}. (Fortran90 introduced ``free format'',
+continuation @dfn{tab format}. (Fortran90 introduced ``free format,''
with another style of continuation lines).
@vindex indent-tabs-mode @r{(Fortran mode)}