7 Feb
2007
7 Feb
'07
4:25 p.m.
Lately, I've been plowing through a bunch of EBCDIC-encoded WP
documents. I don't have a problem finding EBCDIC charts with
mnemonics, but I'd like some more detail on control character
operation. For example, what's the difference between IT PT and HT?
What sequence does CSP introduce and what are its variations?
I've done some web searching but can't come up with anything
definitive. Any pointers would be welcome.
Cheers,
Chuck
8 Feb
8 Feb
8:52 a.m.
Chuck Guzis wrote:
Lately, I've been plowing through a bunch of
EBCDIC-encoded WP
documents. I don't have a problem finding EBCDIC charts with
mnemonics, but I'd like some more detail on control character
operation. For example, what's the difference between IT PT and HT?
What sequence does CSP introduce and what are its variations?
I've done some web searching but can't come up with anything
definitive. Any pointers would be welcome.
If these are Word Processing documents, those codes are
probably special formatting codes, and not actually used
as defined in any chart. They would have been defined by
the specific Word Processing program used.
Many WP file formats use these "out-of-band" control
characters that did not have any printable form for this
purpose. WordPerfect, WordStar, DecWord, etc. all do this.
10:04 a.m.
On 8 Feb 2007 at 9:52, Kevin Handy wrote:
Many WP file formats use these "out-of-band"
control
characters that did not have any printable form for this
purpose. WordPerfect, WordStar, DecWord, etc. all do this.
I hadn't realized that WordPerfect, WordStar, DecWord, etc. operated
in EBCDIC.
If it's EBCDIC, I'm clearly talking about IBM, who usually has better
quality of standardization and documentation for this kind of stuff
than the "DLE means what we say it means" ASCII-oriented WP software.
I'm sure you're aware that unlike ASCII, which seems to be built for
7-level TTY, EBCDIC has a very rich set of control characters with
very specific typographic functions (e.g. SBS, SPS, PLU, HTJ, HTS,
NBSP, RNL).
In particular, I'm interested in the CSP+'M' sequences; I've already
found documents on the CSP+''L' sequences. And there most likely is
an IBM document that spells out the difference between HT, IT, PT and
HTJ, all of which are varietes of horizontal tabulation.
Thanks,
Chuck
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