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Steve,
What would be the advantage or use compared to the various ways to
get the 5250 data from/to a web page ?
-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Steve Richter
Sent: Monday, April 08, 2013 1:36 PM
To: Midrange Systems Technical Discussion
Subject: what could have been - include HTML in the 5250 data stream
I am interested to know if it would have ever been possible to include HTML, CSS and Javascript within the 5250 data stream. After all, 5250 and HTTP are both stateless protocols. Send the data stream down to the client.
Then independently get back a response stream.
I don't know if 5250 has an escape sequence capability. Say a hex'17'
starts the escape sequence. And the 5250 device will ignore all data that follows until another hex'17'. Or something like that.
The purpose being that regular 5250 terminals would not see the HTML code.
But an emulator running on the PC would be enhanced to process the HTML as if it were a browser.
And of course the workstation controller and DSPF would have to be able to handle the response data in the form of the query string and form data.
I am curious if this was ever possible, if IBM ever considered taking 5250 to the next level, so to speak.
-Steve
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