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| Caps Lock / Control Key Swap for Windows NT |
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Author:  James Kittock
         Interval Research Corp.
         kittock@interval.com

Version: 1.0 of February 5, 1996

CONTENTS

0. Disclaimer
1. What is this?
2. Compatibility notes
3. How do I install it?
4. How do I uninstall it?
5. How does it work?
6. What support is available?

0. DISCLAIMER

This software is provided AS IS.  The author and Interval
Research Corp.  disclaim all warranties as to this software,
whether express or implied, including without limitation any
implied warranties of merchantability, fitness for a particular
purpose, functionality, data integrity or protection.

1. What is this?

This package will install a new keyboard layout on your Windows
NT machine that swaps the Caps Lock and Control keys (note: it
only affects the left Control key on keyboards with multiple
Control keys).  This is very useful to lessen the damage to your
left pinkie when using UNIX-inspired software, especially Emacs.
This keyboard layout can be selected using the "International"
control panel just like any other keyboard layout.

2. Compatibility notes

This package has been successfully tested with Windows NT 3.5 and
Windows NT 3.5.1.  It has not been tested with any other version
of Windows NT.  It will not work with Windows '95, which uses a
different system for keyboard layouts.

3. How do I install it?

Since you are reading this file, you have probably already
expanded the archive.  There are two remaining phases of the
installation, as follows.

First, run the batchfile SETUP.BAT, which will replace the file
"layout.inf" in your system directory C:\WINNT35\SYSTEM32.  If
your 32-bit system directory is not on this path, please edit
SETUP.BAT accordingly.  SETUP.BAT will backup "layout.inf" to
"layout.inf.original."  If that file already exists, it will
abort with an error message; this is to ensure that SETUP.BAT
doesn't accidentally overwrite your copy of your original
"layout.inf" file.

Second, once you have run SETUP.BAT, start the Control Panel and
choose "International."  In the list of keyboard layouts, you
should see a new option "US-Caps Lock/Control swap".  Select this
option and close the control panel.  NT will prompt for the path
of the installation disks.  Instead, give it the full pathname
where you extracted the archive.  NT will then install the new
keyboard layout, and you are all set.

4. How do I uninstall it?

The keyboard layout and modified version of layout.inf occupy
only about 20K of disk space, so it is unlikely that you will
want to uninstall them to save space.  Also, you can always stop
using the new keyboard layout by switching to another one
in the "International" control panel.  However, if you decide
to get rid of the installation altogether, do the following

  a) in directory C:\WINNT35\SYSTEM32 (or wherever your 32-bit
     system lives) delete layout.inf and replace it with
     layout.inf.original.

  b) in the same location, delete KBDSWAP.DLL

5. How does it work?

The file "layout.inf" tells NT about the various keyboard layouts
that are available and where to find them.  The version included
with this package adds information on the swapped keyboard layout
to the stock version of "layout.inf"

The file "KBDSWAP.DLL" implements the swapped keyboard layout.
It was created by byte-editing the standard KBDUS.DLL to swap the
entries for the (left) Control and the Caps Lock keys.  KBDUS.DLL
is copied into the correct location when you choose the new
layout and go through the control panel's installation routine.

The file "DISK7.W" fools NT into thinking the subdirectory where
you extracted the archive is one of the installation disks.

Note that it may not be enough to simply copy KBDSWAP.DLL to the
correct place in the system directory because the control panel's
installation routine also makes some modifications to the
Registry.

6. What support is available?

This is freeware & you get what you pay for, i.e., there is no
support for this package.  If you have questions, try one of the
Windows NT newsgroups.