Re: conditionaly setting characteristics

["W. Eliot Kimber" <eliot@xxxxxxxxxx>]

At 01:03 PM 2/21/98 -0600, Charlie & Barbara Bozeman wrote:
>Is there a method to construct flow objects and conditionally set their
>characteristics depending on the value or presence of attributes? An
>example of what I want to do is:
>
>(element cell
>  (let ((col-num attribute-string "col-num")
>        (align attribute-string "align"))
>     (make table-cell
>           (if col-num
>               column-number:	col-num)
>           (if align
>               cell-row-alignment: align))))

You have to put the condition either one level up (before the make
function) or one level down (as the specification of the characteristic
value).

For this reason, tables tend to result in very hairy functions (the code to
do CALS tables properly gives me the willies).

Cheers,

E.
--
<Address HyTime=bibloc>
W. Eliot Kimber, Senior Consulting SGML Engineer
Highland Consulting, a division of ISOGEN International Corp.
2200 N. Lamar St., Suite 230, Dallas, TX 95202.  214.953.0004
www.isogen.com
</Address>


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