jcew...@acm.org (Joel C. Ewing) writes:
> I've always felt it was a bad idea to have installation mainframe
> documentation too far separated from the mainframe platform itself or
> dependent on any other server platforms, under the general premise
> that in a DR situation if we have recovered the mainframe we want to
> be sure we have access to all documentation needed to operate it.
>
> Some documentation was just kept as monocase or dualcase text files on
> MVS, with links from ISPF screens.  Before DCF/Script became too
> expensive, some large documents were maintained as separate chapters
> in DCF SGML using DCF to build text and pdf versions of the
> document. Afterwards those SGML documents were converted to use
> docbook tools with docbook document source on MVS, building
> multi-html, single-html, and pdf version with free tools on a
> workstation and then porting various forms either back to MVS or to
> media that went off site for DR.

when rexx was very young, internal use only and before released as
product ... I wanted to demonstrate that rexx wasn't just another pretty
scripting language ... and chose as demonstration to rewrite IPCS
... idea was in six weeks of effort, re-implement from scratch ... make
it run ten times faster than original (assembler) implementation, with
ten times the function. I somewhat naively believed it would eventually
be released to customers, replacing the existing product ... and since
it was during the start of the OCO-wars period ... it had the added
advantage of needing to ship all the source (since there wasn't any
object code). While it became the standard internally as well as used by
nearly all the PSRs ... for some reason it was never shipped to
customers.

However, one of the features ... that I included softcopy of
messages&codes (GML) manual ... and do formatted online display of the
related information.

-- 
virtualization experience starting Jan1968, online at home since Mar1970

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