Re: Menuchoices in lists, using FOP

Hi Chris,

Chris Ridd wrote:
> Hi,
> 
> I'm using Docbook and the related XSL stylesheets
pretty successfully
> except for one odd problem.
> 
> I have a number of procedures containing steps, and if
a para inside a
> step contains a menuchoice, and my stylesheet sets:
> 
> <xsl:param
name="menuchoice.menu.separator">
>   <fo:inline font-family="Symbol">
&#x2192; </fo:inline>
> </xsl:param>
> 
> then the step's sequence number is drawn vertically
offset from the
> first line of the text. I uploaded a screenshot of this
to a bug report:
> 
> <http://sourceforge.net/tracker/download.php?group_id=21935&
amp;atid=373747&file_id=250147&aid=1815080>
> 
> 
> This occurs if I use either xep 4 or fop 0.94. I'm
running on Solaris.
> 
> The reason I'm explicitly setting the Symbol font is to
workaround a
> known problem in fop. That workaround's also done in
fo/inline.xsl in
> docbook-xsl 1.73.2, but only if fop1.extensions is
non-zero.
> 
> Why is the line height getting mangled?

This is very probably because the Symbol font doesn’t have
the same 
ascender value (the nominal height of letters, used to
determine the 
appropriate line spacing) as the Times font you’re using
for the rest of 
the text. This will happen wherever you mix Times and Symbol
characters.


> Is there a better way of getting an arrow character as
a separator here,
> if I'm using fop?

There is probably an FO setting to change the way lines are
stacked, but 
the easiest is probably to use a font that has glyphs for
both the 
normal characters and the arrow you want to use as a menu
separator. 
There are plenty of them, both commercial and free. The
FreeSerif [1] is 
one of them and looks like Times.

To configure a custom font with FOP, have a look at the FOP
website [2] 
or ask on the fop-users mailing list if you have problems.

[1] http://www.nongnu.org
/freefont/
[2] htt
p://xmlgraphics.apache.org/fop/0.94/fonts.html

HTH,
Vincent

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On 24 Oct 2007, at 11:18, Vincent Hennebert wrote:

> There is probably an FO setting to change the way lines
are  
> stacked, but
> the easiest is probably to use a font that has glyphs
for both the
> normal characters and the arrow you want to use as a
menu separator.
> There are plenty of them, both commercial and free. The
FreeSerif  
> [1] is
> one of them and looks like Times.

That's certainly a possibility, but I think I'd prefer just
to  
downgrade to something like a ">" instead of
embedding a font.

Yuck :-(

Cheers,

Chris

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