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+*os_os2.txt* For Vim version 7.0aa. Last change: 2004 Jan 09
+
+
+ VIM REFERENCE MANUAL by Paul Slootman
+
+
+ *os2* *OS2* *OS/2*
+This file contains the particularities for the OS/2 version of Vim.
+
+At present there is no native PM version of the GUI version of Vim: The OS/2
+version is a console application. However, there is now a Win32s-compatible
+GUI version, which should be usable by owners of Warp 4 (which supports
+Win32s) in a Win-OS/2 session. The notes in this file refer to the native
+console version.
+
+
+NOTE
+
+This OS/2 port works well for me and a couple of other OS/2 users; however,
+since I haven't had much feedback, that either means no (OS/2-specific) bugs
+exist (besides the ones mentioned below), or no one has yet created a
+situation in which any bugs are apparent. File I/O in Dos and Unix mode,
+binary mode, and FAT handling all seem to work well, which would seem to be
+the most likely places for trouble.
+
+A known problem is that files opened by Vim are inherited by other programs
+that are started via a shell escape from within Vim. This specifically means
+that Vim won't be able to remove the swap file(s) associated with buffers open
+at the time the other program was started, until the other program is stopped.
+At that time, the swap file may be removed, but if Vim could not do that the
+first time, it won't be removed at all. You'll get warnings that some other
+Vim session may be editing the file when you start Vim up again on that file.
+This can be reproduced with ":!start epm". Now quit Vim, and start Vim again
+with the file that was in the buffer at the time epm was started. I'm working
+on this!
+
+A second problem is that Vim doesn't understand the situation when using it
+when accessing the OS/2 system via the network, e.g. using telnet from a Unix
+system, and then starting Vim. The problem seems to be that OS/2 =sometimes=
+recognizes function / cursor keys, and tries to convert those to the
+corresponding OS/2 codes generated by the "normal" PC keyboard. I've been
+testing a workaround (mapping the OS/2 codes to the correct functions), but so
+far I can't say anything conclusive (this is on Warp 3, by the way). In the
+meantime any help will be appreciated.
+
+
+PREREQUISITES
+
+To run Vim, you need the emx runtime environment (at least rev. 0.9b). This
+is generally available as (ask Archie about it):
+
+ emxrt.zip emx runtime package
+
+I've included a copy of emx.dll, which should be copied to one of the
+directories listed in your LIBPATH. Emx is GPL'ed, but the emx.dll library is
+not (read COPYING.EMX to find out what that means to you).
+
+This emx.dll is from the emxfix04.zip package, which unfortunately has a bug,
+eh, I mean a POSIX feature, in select(). Versions of Vim before 3.27 will
+appear to hang when starting (actually, while processing vimrc). Hit <Enter> a
+couple of times until Vim starts working if this happens. Next, get an up to
+date version of Vim!
+
+
+HELP AND VIMRC FILE
+
+If you unpack the archive that Vim came in and run Vim directly from where it
+was unpacked, Vim should be able to find the runtime files and your .vimrc
+without any settings.
+
+If you put the runtime files separately from the binary, the VIM environment
+variable is used to find the location of the help files and the system .vimrc.
+Place an entry such as this in CONFIG.SYS: >
+
+ SET VIM=c:/local/lib/vim
+
+Put your .vimrc and your other Vim files in this directory. Copy the runtime
+directory to this directory. Each version of Vim has its own runtime
+directory. It will be called something like "c:/local/lib/vim/vim54". Thus
+you get a tree of Vim files like this:
+ c:/local/lib/vim/.vimrc
+ c:/local/lib/vim/vim54/filetype.vim
+ c:/local/lib/vim/vim54/doc/help.txt
+ etc.
+
+Note: .vimrc may also be called _vimrc to accommodate those who have chosen to
+install OS/2 on a FAT file system. Vim first tries to find .vimrc and if that
+fails, looks for _vimrc in the same place. The existence of a .vimrc or
+_vimrc file influences the 'compatible' options, which can have unexpected side
+effects. See |'compatible'|.
+
+If you're using network drives with OS/2, then you can install Vim on a
+network drive (including .vimrc; this is then called the "system" vimrc file),
+and then use a personal copy of .vimrc (the "user" vimrc file). This should be
+located in a directory indicated by the HOME environment variable.
+
+
+ENVIRONMENT VARIABLES IN FILE NAMES
+
+This HOME environment variable is also used when using ~ in file names, so
+":e ~/textfile" will edit the file "textfile" in the directory referred to by
+HOME. Additionally you can use other environment variables in file names, as
+as ":n $SRC/*.c".
+
+The HOME environment variable is also used to locate the .viminfo file
+(see |viminfo-file|). There is no support yet for .viminfo on FAT file
+systems yet, sorry. You could try the -i startup flag (as in "vim -i
+$HOME/_viminfo") however.
+
+If the HOME environment variable is not set, the value "C:/" is used as a
+default.
+
+
+BACKSLASHES
+
+Using slashes ('/') and backslashes ('\') can be a bit of a problem (see
+|dos-backslash| for more explanation), but in almost all cases Vim does "The
+Right Thing". Vim itself uses backslashes in file names, but will happily
+accept forward slashes if they are entered (in fact, sometimes that works
+better!).
+
+
+TEMP FILES
+
+Temporary files (for filtering) are put in the first directory in the next
+list that exists and where a file can be created:
+ $TMP
+ $TEMP
+ C:\TMP
+ C:\TEMP
+ current directory
+
+
+TERMINAL SETTING
+
+ *os2ansi*
+Use "os2ansi" as the TERM environment variable (or don't set it at all, as the
+default is the correct value). You can set term to os2ansi in the .vimrc, in
+case you need TERM to be a different value for other applications. The
+problem is that OS/2 ANSI emulation is quite limited (it doesn't have insert /
+delete line, for example).
+
+If you want to use a different value for TERM (because of other programs, for
+example), make sure that the termcap entry for that TERM value has the
+appropriate key mappings. The termcap.dat distributed with emx does not always
+have them. Here are some suitable values to add to the termcap entry of your
+choice; these allow the cursor keys and the named function keys (such as
+pagedown) to work.
+
+ :ku=\316H:kd=\316P:kl=\316K:kr=\316M:%i=\316t:#4=\316s:\
+ :kD=\316S:kI=\316R:kN=\316Q:kP=\316I:kh=\316G:@7=\316O:\
+ :k1=\316;:k2=\316<:k3=\316=:k4=\316>:k5=\316?:k6=\316@:\
+ :k7=\316A:k8=\316B:k9=\316C:k;=\316D:
+
+
+Paul Slootman
+
+
+43 LINE WINDOW
+
+A suggestion from Steven Tryon, on how to run Vim in a bigger window:
+
+When I call Vim from an OS/2 WPS application such as PMMail it comes up
+in the default 25-line mode. To get a more useful window size I make
+my external editor "vimbig.cmd" which in turn calls "vimbig2.cmd".
+Brute force and awkwardness, perhaps, but it works.
+
+vimbig.cmd: >
+ @echo off
+ start "Vi Improved" /f vimbig2.cmd %1 %2 %3 %4
+
+vimbig2.cmd: >
+ @echo off
+ mode 80,43
+ vim.exe %1 %2 %3 %4
+ exit
+<
+
+CLIPBOARD ACCESS (provided by Alexander Wagner)
+
+Vim for OS/2 has no direct access to the system clipboard. To enable access
+anyway you need an additional tool which gives you access to the clipboard
+from within a vio application. The freeware package clipbrd.zip by Stefan
+Gruendel can be used for this purpose. You might download the package
+including precompiled binaries and all sources from:
+ http://www.stellarcom.org/vim/index.html
+
+Installation of this package is straight forward: just put the two executables
+that come with this package into a directory within your PATH for Vim should
+be able to call them from whatever directory you are working.
+
+To copy text from the clipboard to your Vim session you can use the :r
+command. Simply call clipbrd.exe from within Vim in the following way: >
+
+ :r !clipbrd -r
+
+To copy text from Vim to the system clipboard just mark the text in the usual
+vim-manner and call: >
+
+ :!clipbrd -w
+
+which will write your selection right into OS/2's clipboard.
+
+For ease of use you might want to add some maps for this commands. E.g. to
+use F11 to paste the clipboard into Vim and F12 to copy selected text to the
+clipboard you would use: >
+
+ if has("os2")
+ imap <F11> <ESC>:r !clipbrd -r<CR>i
+ vmap <F12> :!clipbrd -w<cr>
+ else
+ imap <F11> <ESC>"*p<CR>i
+ vmap <F12> "*y
+ endif
+
+This will ensure that only on OS/2 clipbrd is called whereas on other
+platforms vims build in mechanism is used. (To enable this functions on every
+load of Vim place the above lines in your .vimrc.)
+
+ vim:tw=78:ts=8:ft=help:norl: