language feature
Tcl Expr Patch
The Patch vs. 8.2.0
The Patch vs. 8.4.0
Well, it happened again. Someone asks a perfectly innocent question, and the next thing I know I'm in touch with a deep vein of hostility and several paragraphs into a jeremiad on the evils of Tcl's expr command. It isn't Tcl's problem, really, that I hate writing code that uses expr. It's my problem. So here's my problem and here's my solution.
Expr Before
The history of the universe is a history of entropy liberation.
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