Re: xsl: preserving spaces preserves only one space?

  <xsl:preserve-space elements="transaction_detail"/>

That presves white space nodes during the transformation stage although
that will have no effect on your resulting FO file as you never have any
select expressions that would be affected by the presence of white space
text nodes.

So (presumably) the white space that you want to preserver _is_
preserved by your XSLT transformation and appears in the resulting FO
file.

FO in common with HTML, CSS, TeX and many other typesetting systems will
by default render any run of white space just as a single word space.

If you don't want that you need to set the white space properties on the
surrounding fo:block, there are several of them, giving control of line
break and white space normalization but
white-space-treatment="preserve"
is probably a place to start.
http://www.w3.org/TR/xsl/slice7.html#white-space-treatment

David

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