[xep-support] using a function in an expression

[Bob Stayton]

I thought one could use property functions in an expression for another
property. For example, in computing a content-width on a graphic so that it
responds to the current start-indent, I tried:

content-width="4in - inherited-property-value(start-indent)"

But XEP 3.7.8 complains with:

[warning] Bad attribute content-width: Cannot subtract type Word from type
Length

Shouldn't that work?

Bob Stayton
Sagehill Enterprises
DocBook Consulting
bobs at sagehill.net



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