He wrote a rule:
He uploaded the XSLT to the production mapper, ran a test with a real 500MB XML file, and watched it transform in 2.3 seconds. His boss, Sarah, pinged him on Slack. Sarah: "Did you get the XSLT working?" Leo: "Yeah. It's done." Sarah: "You learned XSLT in a weekend?" Leo: "I had a good instructor." He closed his laptop, looked at the sticky note on his monitor – You are always somewhere. Know where. – and smiled. He opened Udemy one last time. A notification popped up. udemy xslt
He clicked the first lecture. Alistair, with a grey beard and a wall of books behind him, didn't introduce himself. He just said: "XML is not a document. It is a tree. You are not a programmer. You are a lumberjack. And XSLT is your chainsaw." Leo paused the video. He looked at his coffee. He looked back at the screen. Alright, Alistair. Let's go. He wrote a rule: He uploaded the XSLT
Alistair introduced the Identity Transform: a template that copies everything, letting you override only what you need. It's done