How do I access elements from the outer loop from within nested loops?

Question

I have nested xsl:for loops:

Answer 1

Welbog has answered it well - but just to note you appear to be doing a cartesion (cross) join - is that intentional? If you are trying to do a regular join (with a predicate etc), then you want want to look into - i.e. declare a key:

then consume in your predicate:

This should be equivalent to (but much faster than) the predicate:

If you are grouping the data, then look at Muenchian grouping