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RE: XML and mainframes, yet again

xml mainframes documents
I just ran some tests on NEL. I began by replacing all the line 
breaks with NELs in an existing XML document (the DocBook source for 
Chapter 9 of Processing XML with Java) and saving that document as 
both ISO-8859-1 and UTF-8. I then tried to open the resulting 
documents in all the text editors I use on a day-to-day basis.

Not one recognized NEL as a line break. The best behavior was 
replacing it with the unrecognized character glyph and wrapping all 
the lines. The worst behavior was placing the entire text of the 
document on a single line and the application slowing to a crawl. 
There are clearly very good, practical reasons not to put NEL on the 

Detailed results follow:

jEdit 3.2.2 put the entire file on one line and slowed to a
crawl with both UTF-8 and Latin-1 versions

Notepad changed the line ends to horizontal ellipses and wrapped the 
whole file.

UltraEdit changed them to ellipses and has flickering redrawing

Emacs on Linux in a terminal window represented NEL as \205 and 
wrapped the whole file into a single line. When I tried the UTF-8 
version, it did the same thing but reported the character as \302\205

pico on Linux turned NEL into a with an accent grave. When I fed it the
UTF-8 version it turned it into an upside down T plus a with accent

Word 2000 on Windows treated the entire document as one long line 
with a lot of horizontal ellipses. When I told Word the proper 
encoding it used the missing
character glyph. It still didn't break the lines.

BBEdit on the Mac read it NEL as capital O with diaresis.


| Elliotte Rusty Harold | elharo@m... | Writer/Programmer |
|          The XML Bible, 2nd Edition (Hungry Minds, 2001)           |
|              http://www.ibiblio.org/xml/books/bible2/              |
|   http://www.amazon.com/exec/obidos/ISBN=0764547607/cafeaulaitA/   |
|  Read Cafe au Lait for Java News:  http://www.cafeaulait.org/      |
|  Read Cafe con Leche for XML News: http://www.ibiblio.org/xml/     |


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