[XSL-LIST Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: Debugging (was: template matching on text value of
This raises the question, how should one approach the debugging of such problems, other than by staring at the code until you see the light. It's common enough and we've all experienced it: you write a complex expression that looks right, and it returns nothing, and you have no clue why. I'd suggest the following strategy: 1. Add something like <debug><xsl:copy-of select="X"/></debug> where X is the offending expression 2. If <debug/> comes out empty, successively remove predicates and axis steps from X starting at the right-hand end, until you get some output. 3. When you get some output, the last step you removed was the one that was wrong. Michael Kay Saxonica mike@xxxxxxxxxxxx +44 (0) 118 946 5893 On 14 Aug 2014, at 23:28, Ihe Onwuka ihe.onwuka@xxxxxxxxx <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> wrote: > Lord.... even after staring at the shorter version multiple times I did not see it. It's obviously been a long long day and I should have walked away from this ages ago.
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