Saxon diaries :: The ten most common XSLT programming mistakes

"In response to a user recently, I told him he had fallen into the most common elephant trap for XSLT users. Rather than being annoyed, which I half expected, he thanked me and asked me if I could tell him what the next most common elephant traps were. Although some of us have been helping users avoid these traps for many years, I don't recall seeing a list of them, so I thought I would spend half an hour compiling my own list. "