+<sect>Compilation and installation
+
+<p>
+In order to compile you need:
+<itemize>
+<item> An ANSI C compiler such as GNU C.
+<item> <htmlurl url="http://www.sunlabs.com/research/tcl/" name="Tcl">.
+ Version 7.3, 7.4 and 7.5 has been tested.
+<item> <htmlurl url="http://www.indexdata.dk/yaz.html" name="YAZ">
+ version 1.2 or higher.
+</itemize>
+
+As an option you may want:
+<itemize>
+<item> <htmlurl url="http://www.sunlabs.com/research/tcl/" name="Tk">.
+Version 3.6, 4.0 and 4.1 has been tested.
+<item> XTI/mOSI
+</itemize>
+
+Unpack the <sf/IrTcl/ package at the same directory level as <bf/YAZ/.
+
+Type:
+<tscreen><verb>
+$ ./configure
+</verb></tscreen>
+
+This command tries to configure <sf/IrTcl/ for your system and creates
+a <tt>Makefile</tt>.
+
+If the <tt>configure</tt> command cannot locate Tcl and Tk in your standard
+locations for libraries searched by your C compiler it will guess
+that the libraries are located in <tt>/usr/local/lib</tt> and that
+the header files are located in <tt>/usr/local/include</tt>.
+If this is incorrect you will have to modify the <tt>Makefile</tt> yourself.
+
+Compile <sf/IrTcl/ by typing:
+<tscreen><verb>
+$ make
+</verb></tscreen>
+
+If you don't have Tk you will only be able to create the <tt>ir-tcl</tt>
+program and you must type <tt>make ir-tcl</tt> instead.
+
+If successful, this will make <tt>ir-tcl</tt>, <tt>ir-tk</tt> (if
+Tk is present) and a library called <tt>libirtcl.a</tt>.
+
+To install the programs and support files type:
+<tscreen><verb>
+$ make install
+</verb></tscreen>
+
+If you wish to install man pages type:
+<tscreen><verb>
+$ make install.man
+</verb></tscreen>
+
+Summary of files installed (the names refer to the Makefile variables):
+
+<descrip>
+<tag><tt>ir-tk</tt></tag> The <sf/IrTcl/ shell for Tk.
+ Installed in <tt>BINDIR</tt> -- defaults to
+ <tt>/usr/local/bin</tt>. <tt>ir-tk</tt> works like
+ <tt>wish</tt> &mdash without arguments it reads commands from stdin.
+ A source file may be specified by option <tt>-f</tt>. <tt>ir-tk</tt>
+ accept the same set of options as <tt>wish</tt>.
+<tag><tt>ir-tcl</tt></tag> The <sf/IrTcl/ shell for Tcl. Installed in
+ <tt>BINDIR</tt> -- defaults to <tt>/usr/local/bin</tt>.
+<tag><tt>client.tcl</tt></tag> A graphical client for <tt>ir-tk</tt>.
+ The client is installed as an executable script called <tt>irclient</tt> in
+ <tt>BINDIR</tt>. This client needs a number of files, bitmaps, etc.
+ The client looks for the files in the current directory &mdash if
+ this fails it tries to look in the directory <tt>IRTCLDIR</tt>
+ -- defaults to <tt>/usr/local/lib/irtcl</tt>.
+<tag><tt>libirtcl.a</tt></tag> The <sf/IrTcl/ library.
+ Installed in <tt>LIBDIR</tt> -- defaults to <tt>/usr/local/lib</tt>.
+<tag><tt>ir-tcl.h</tt></tag> The <sf/IrTcl/ header file.
+ Installed in <tt>INCDIR</tt> -- defaults to <tt>/usr/local/include</tt>.
+<tag><tt>clientrc.tcl</tt></tag> A setup file with definitions
+ of target and queries. Read and updated by <tt>client.tcl</tt>. Installed
+ in <tt>IRTCLDIR</tt> -- defaults to <tt>/usr/local/lib/irtcl</tt>.
+<tag><tt>formats/*</tt></tag> Display format files written
+ in Tk. Read by <tt>client.tcl</tt>. Installed
+ in <tt>IRTCLDIR</tt> -- defaults to <tt>/usr/local/lib/irtcl</tt>.
+<tag><tt>bitmaps/*</tt></tag> Various bitmap files. Read by
+ <tt>client.tcl</tt>. Installed
+ in <tt>IRTCLDIR</tt> -- defaults to <tt>/usr/local/lib/irtcl</tt>.
+<tag><tt>LICENSE</tt></tag> LICENSE file. Read by
+ <tt>client.tcl</tt>. Installed
+ in <tt>IRTCLDIR</tt> -- defaults to <tt>/usr/local/lib/irtcl</tt>.
+</descrip>
+
+<sect1>ir-tcl
+
+<p>
+The <tt>ir-tcl</tt> program is a shell like <tt>tclsh</tt> except that
+<tt>ir-tcl</tt> features the new set of information retrieval commands.
+Normally <tt>ir-tcl</tt> waits on <tt/stdin/ (for you to type commands) and
+on sockets events (connected to Z39.50/SR targets).
+You simply type the Tcl commands line by line. A filename may be specified as
+argument to <tt>ir-tcl</tt> in which case the file specified is evaluated
+as a script.
+
+<sect1>ir-tk
+
+<p>
+<tt>ir-tk</tt> is a program that works like <tt>wish</tt> except that
+<tt>ir-tk</tt> include the new set of commands. All options accepted
+by <tt>wish</tt> are also accepted by <tt>ir-tk</tt>.
+
+The enclosed script <tt>client.tcl</tt> for <tt>ir-tk</tt> is a graphical
+client which demonstates an example of a user interface for the Z39.50/SR
+protocols.
+At first the script was relatively small but it has grown since the
+beginning. At present it is about 3000 lines.
+
+The client can be started directly from the top level directory
+of <sf/IrTcl/ by typing:
+<tscreen><verb>
+$ ir-tk -f client.tcl
+</verb></tscreen>
+
+Or, if you have installed <sf/IrTcl/ you may also type:
+<tscreen><verb>
+$ irclient
+</verb></tscreen>
+
+The client lets up define targets and query types within the interface.
+Hence, you will not need to modify configation files.
+
+Stuff concerning targets can be found in the pull down menu 'Target'
+with the following options:
+<descrip>
+<tag>Connect</tag> Establishes connection to a target.
+<tag>Disconnect</tag> Closes a target connection.
+<tag>About</tag> Shows implementation Id, implementation Version, etc
+ for the current target.
+<tag>Setup</tag> Pops up a target definition window. You may alter
+ a target definition.
+<tag>Setup new</tag> Lets you define a new target.
+</descrip>
+
+The term query type refers to a collection of search fields. The
+pull down menu Options|Query deals with queries. You may
+insert/modify/remove query types.
+
+<sect>Overview of the API