2010-04-07 Chris Allegretta <chrisa@asty.org>

* doc/man/nano.1,nanorc.5: Add warnings about using backup 
          mode as root due to the Dan Rosenberg security analysis.



git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@4493 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

ChangeLog

@@ -1,3 +1,7 @@
+2010-04-07 Chris Allegretta <chrisa@asty.org>
+	* doc/man/nano.1,nanorc.5: Add warnings about using backup
+	  mode as root due to the Dan Rosenberg security analysis.
+ 
 2010-04-02 Chris Allegretta <chrisa@asty.org>
 	* files.c (do_writeout): Expand modification check to include both the
 	  original file's device ID and inode number as reasons to warn the 

doc/man/nano.1

@@ -62,7 +62,8 @@ line.
 .TP
 .B \-B (\-\-backup)
 When saving a file, back up the previous version of it to the current
-filename suffixed with a ~.
+filename suffixed with a ~.  This option is not recommended when editing
+files as root due to potential security implications.
 .TP
 .B \-C \fIdir\fP (\-\-backupdir=\fIdir\fP)
 Set the directory where \fBnano\fP puts unique backup files if file

doc/man/nanorc.5

@@ -451,7 +451,8 @@ When writing a file, append to the end instead of overwriting.
 When writing a file, 'prepend' (write at the beginning) instead of overwriting.
 .TP
 .B backup
-When writing a file, create a backup of the current file.
+When writing a file, create a backup of the current file.  This option is not 
+recommended when editing files as root due to potential security implications.
 .TP
 .B firstfile
 Move to the first file when using the file browser (reading or writing files).