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README - WDialog
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About WDialog
==============================================================================

WDialog is a system to make dialog-centric web applications. It imitates the 
behaviour of widgets found in GUIs, but acts in a HTML/HTTP environment. There 
is a UI language (XML), but callbacks are coded in a normal programming 
language (O'Caml, Perl).

WDialog is written in the programming language Objective Caml. For people who 
do not want to learn another language, there are also Perl bindings providing 
90 per cent of the whole functionality.

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Important links
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-  Old WDialog Homepage [1] - including a reference manual, installation 
   instructions, etc. Note that this homepage is no longer updated, and will 
   finally deleted. 
   
-  WDialog Project Page [2] - download released code, view the svn repository
   
-  Contact the authors: Gerd Stolpmann [3] - Postal address: Gerd Stolpmann, 
   Bad Nauheimer Str. 3, 64289 Darmstadt, Germany
   
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Who developed WDialog
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WDialog has mainly been developed by Gerd Stolpmann as employee of Joachim 
Schrod NPC GmbH. It has been used in several commercial projects, but Joachim 
Schrod NPC GmbH is a consulting firm and not interested in selling it as a 
product. So we have decided to make it available for everybody under the 
conditions of the GNU General Public License.

Well, this is the official story. Of course, I am very grateful that Joachim 
lets me publish it, although the development costs were not negligible. Joachim 
is convinced of the idea of free software, and sees the WDialog project as a 
possibility to give the community something back. Last but not least, this is 
also a way to motivate me and to escape from the daily work.

By the way, we would appreciate it that developers help us to improve WDialog.

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License conditions
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WDialog is distributed under the GNU General Public License. Copyright holders 
are Joachim Schrod NPC GmbH and Gerd Stolpmann.

==============================================================================
Version History
==============================================================================

-  Version 2.1.3: Ported to Netcgi2. Wd_run_fcgi is gone, but replaced with 
   Wd_run in a more general way.
   
-  Version 2.1.2: Fixes in ui:ifexpr, ui:select
   
-  Version 2.1.1: Fixes for Cygwin.
   Fixes in the documentation.
   
-  Version 2.1: Inclusion of several new session managers (in-memory session 
   manager, daemon session manager).
   Extension of the "bracket expressions": There are many new functions.
   New element ui:ifexpr which takes a boolean bracket expression as argument. 
   The element ui:if can process any number of value arguments. The elements 
   ui:if and ui:ifvar can call all functions, not only comparison functions. 
   A bug in ui:context has been fixed.
   The serialization format has been changed. It is now secure against attacks 
   based on malformed strings.
   
-  Version 2.0.2: Updates for findlib-1.0
   
-  Version 2.0.1: Updates for OCamlNet 0.96
   
-  Version 2.0: First public release
   
-  Versions 1.X: These are the versions prior to the first public release.
   

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[1]   see http://wdialog.sf.net

[2]   see http://projects.camlcity.org/projects/wdialog.html

[3]   see mailto:gerd@gerd-stolpmann.de




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