This isn't a fix, but... Perhaps you can add enough "white" or
background-color to the top of the first.jpg so that it's larger than 10px
but retains the appearance of the shape you need?
-- 
Clay Leeds - [EMAIL PROTECTED]
Web Developer - Medata, Inc. - http://www.medata.com
PGP Public Key: https://mail.medata.com/pgp/cleeds.asc

Selber Jean-Fran�ois said:
> Hi
>
> I use fop 0.20.5
>
> I whould like to concatenate images vertically. The problem is that FOP
> add
> a blank space in between. By adding space-before="-2.5pt", the blank space
> disappear. Unfortunately, this doesn't work in all cases. It works if
> preceding image is bigger than 10 pixels, otherwise, a blank space appears
> again.
>
> In the example hereafter, if first.jpg is smaller than around 10 pixels,
> then the space-before="-2.5pt" applied on  "second.jpg" is not
> sufficient..
> A value of -6pt or more is needed to compensate the bigger space added by
> FOP. Seemingly, the smaller is the preceding image, the bigger is the gap.
>
>   <fo:external-graphic src="first.jpg"/>
>   <fo:external-graphic space-before="-2.5pt" src="second.jpg"/>
>   <fo:external-graphic space-before="-2.5pt" src="third.jpg"/>
> Can anybody provide me with an explanation and some help to find the good
> value for space-before
>
> many thanks in advance
> jf
>
>
>
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