font-locking in fortran mode

[Roland Winkler]

In GNU Emacs 21.1.1 (i386-pc-linux-gnu, X toolkit, Xaw3d scroll bars)
 of 2002-02-01 on tfkp12
configured using `configure  --prefix=/nfs/common --libexecdir=/nfs/common/lib 
--bindir=/nfs/common/lib/emacs/21.1/bin/i686-Linux 
--mandir=/nfs/common/share/man --infodir=/nfs/common/share/info --with-gcc 
--with-pop --with-x --with-x-toolkit=athena i386-pc-linux'
Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: POSIX
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: en_US
  locale-coding-system: iso-latin-1
  default-enable-multibyte-characters: nil

Please describe exactly what actions triggered the bug
and the precise symptoms of the bug:

Load the piece of fortran code attached below into a fresh 
emacs --no-init-file. Switch on font-locking. The quote past column
72 confuses font-locking. The following lines are not recognised as
comments.

Roland


cat > foo.f << EOF
  510 FORMAT ('Polarisation:  ', 3 (1PE10.3, 3X), '(', I3, '  Iterations')
C
C     ==================================================================
EOF