Import precedence requires that template rules in main stylesheets have higher precedence than template rules in imported stylesheets. Sometimes, however, it is useful to be able to force the processor to use a template rule from the (lower precedence) imported stylesheet rather than an equivalent rule in the main stylesheet.
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<apply-imports> statements are standalone and do not have an associated value or block.
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<apply-imports> can only be used within a match or a proc statement. or block.
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