[xep-support] comma breaks to new line when following fo:basic-link

[David Kelly]

I have a piece of content in FO like this:

<fo:block id="N1007E" space-after="6pt">
Let’s make an xref to something 111 222 33 <fo:basic-link 
xmlns:exsl="http://exslt.org/common" color="rgb(10, 10, 150)" 
border-bottom="1pt dotted #6666aa" 
internal-destination="testing1">Figure 1, <fo:inline 
font-style="italic">testing 1</fo:inline>, on page 
<fo:page-number-citation ref-id="testing1"/>​</fo:basic-link>, and 
something else.
</fo:block>

When the rendered link is against the right margin of the text area, the 
comma breaks by itself to the next line. In general, commas should not 
start a new line. Since <fo:basic-link> in this case does not have 
keep-together specified, I would expect, if a break was needed, for the 
last unit of text to break with the comma. This is, in fact, what 
happens when the example is:

<fo:block id="N1007E" space-after="6pt">
Let’s make an xref to something 1111 222 333 <fo:inline 
font-style="italic">Figure 1, testing 1, on page 6</fo:inline>, and 
something else.
</fo:block>

In this case, the new line begins with "6,", which is more correct.

Is there a configuration control for this behavior, or some other way to 
get the break to behave correctly?

Thanks,
David Kelly

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