https://issues.apache.org/bugzilla/show_bug.cgi?id=47380





--- Comment #3 from Andreas L. Delmelle <[email protected]>  2009-06-17 
05:42:49 PST ---
(In reply to comment #2)
> Also found the revision that (most likely) introduced this: 
> http://svn.apache.org/viewvc?rev=749012&view=rev
> 
> A zero-width rule-thickness would lead to an area with zero bpd, and such an
> area is probably skipped during rendering...

Checking the XSL-FO Rec. closer, part of that commit was definitely a mistake,
since rule-thickness is not supposed to have any effect, unless the
leader-pattern is specified as "rule". 
Same goes for the rule-style property, so one could even argue that those two
properties should not be specified, since the pattern is "space"... 
If you omit rule-thickness, the issue is also worked around, since
rule-thickness then defaults to 1.0pt (but then, obviously, the yellow
background becomes clearly visible).

Still a regression, but I'll need some more background info before I'm going to
revert the change in question. For leader-pattern='space', I guess we'd better
look at the line-height property to determine the b-p-d trait for the
corresponding area (?)

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