Re: [docbook-apps] excessive space before/after screen and programlisting

[Bob Stayton <bobs at sco dot com>]

On Sat, Aug 02, 2003 at 01:05:06PM -0400, Robert P. J. Day wrote:
> 
>   i'm using xsltproc and FOP to turn docbook into PDF, and i seem
> to be getting excessive space both before and after my verbatim
> environments like <screen> and <programlisting>.  here's my 
> stylesheet fragment to mess with verbatim elements:
> 
> ---------------------------------
> <xsl:param name="shade.verbatim" select="1"/>
> 
> <xsl:attribute-set name="verbatim.properties">
>  <xsl:attribute name="space-before.minimum">0.0em</xsl:attribute>
>  <xsl:attribute name="space-before.optimum">0.1em</xsl:attribute>
>  <xsl:attribute name="space-before.maximum">0.1em</xsl:attribute>
>  <xsl:attribute name="space-after.minimum">0.0em</xsl:attribute>
>  <xsl:attribute name="space-after.optimum">0.1em</xsl:attribute>
>  <xsl:attribute name="space-after.maximum">0.1em</xsl:attribute>
> 
>  <xsl:attribute name="line-height">160%</xsl:attribute>
> </xsl:attribute-set>
> ---------------------------------
> 
>   now, the shading works, and adjusting the line height also
> works, but i still seem to get excessive space both before the
> entire <screen> or <programlisting>.  i added the shading to 
> verify that that space wasn't part of, say, the paragraph above
> or below.  so i shaded and, sure enough, at the start and
> end of each verbatim, there's enough space to almost put in
> another entire line of text.
> 
>   note that i cranked down the space-{before,after} to almost
> nothing, but that doesn't seem to help.  
> 
>   am i not adjusting the correct attributes here?

I tested these settings and they produce a shaded
programlisting with no extra space above.

Your mail doesn't mention if the extra space is inside
the shaded area or outside.
Does your programlisting start like this:

<programlisting>My first line
My second line.

or like this:

<programlisting>
My first line
My second line.

If it is the latter, then the extra line is in
your programlisting, in which every line ending
and white space is respected, including the first.
Change it to look like the former.

If yours looks like the former, then something
else is going on.  

-- 

Bob Stayton                                 400 Encinal Street
Publications Architect                      Santa Cruz, CA  95060
Technical Publications                      voice: (831) 427-7796
The SCO Group                               fax:   (831) 429-1887
                                            email: bobs@sco.com

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