UTF-8 bit by bit

Richard Suchenwirth 2001-02-28 - From a delightful debugging chat at the Tcl chatroom, I was brought to write down what I think on UTF-8 analysis (cf. Unicode and UTF-8, see also UTF-8 history ). I imagine a UTF-8 string as a railroad. It operates single-unit railcars (one-byte ASCII characters, to be known from the fact that the highest bit is 0), and trains (sequences of two or more bytes that t