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- global words, lines, writer
-
- procedure main()
- if not(&features == "co-expressions") then
- stop("co-expressions not supported")
- &trace := -1
-
- words := create word()
- lines := create reader()
- writer := create output()
- @writer
- end
-
- procedure word()
- static letters
- initial letters := &lcase ++ &ucase
- while line := @lines do
- line ? while tab(upto(letters)) do
- tab(many(letters)) @ writer
- end
-
- procedure reader()
- while read() @ words
- end
-
- procedure output()
- while write(&errout,@words)
- @&main
- end
-