diff --git a/runtime/ftplugin/fortran.vim b/runtime/ftplugin/fortran.vim
index b9ba3c4..26dc90a 100644
--- a/runtime/ftplugin/fortran.vim
+++ b/runtime/ftplugin/fortran.vim
@@ -1,13 +1,13 @@
 " Vim settings file
 " Language:	Fortran 2008 (and older: Fortran 2003, 95, 90, 77, 66)
-" Version:	(v52) 2020 October 07
+" Version:	(v53) 2021 April 06
 " Maintainer:	Ajit J. Thakkar <ajit@unb.ca>; <http://www2.unb.ca/~ajit/>
 " Usage:	For instructions, do :help fortran-plugin from Vim
 " Credits:
 "  Version 0.1 was created in September 2000 by Ajit Thakkar.
 "  Since then, useful suggestions and contributions have been made, in order, by:
 "  Stefano Zacchiroli, Hendrik Merx, Ben Fritz, David Barnett, Eisuke Kawashima,
-"  and Doug Kearns.
+"  Doug Kearns, and Fritz Reese.
 
 " Only do these settings when not done yet for this buffer
 if exists("b:did_ftplugin")
@@ -66,12 +66,19 @@
 " Set comments and textwidth according to source type
 if (b:fortran_fixed_source == 1)
   setlocal comments=:!,:*,:C
-  " Fixed format requires a textwidth of 72 for code
-  setlocal tw=72
+  " Fixed format requires a textwidth of 72 for code,
+  " but some vendor extensions allow longer lines
+  if exists("fortran_extended_line_length")
+    setlocal tw=132
+  elseif exists("fortran_cardimage_line_length")
+    setlocal tw=80
+  else
+    setlocal tw=72
   " If you need to add "&" on continued lines so that the code is
   " compatible with both free and fixed format, then you should do so
   " in column 73 and uncomment the next line
   " setlocal tw=73
+  endif
 else
   setlocal comments=:!
   " Free format allows a textwidth of 132