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Tcl has supported Unicode and UTF-8 for ages, but to learn that you can just check its excellent documentation, no need to browse forums :)

• vessenes 3y ago
  https://wiki.tcl-lang.org/page/Unicode+and+UTF-8 https://wiki.tcl-lang.org/page/Unicode+and+UTF-8 This is what I referred to, which makes it look like emoji support is spotty. But that's all I read!
  • spijdar 3y ago
    It's been a while, but my recollection is that the Tcl interpreter stores strings as fixed-width code points, and uses 16 bit characters by default, so it's effectively UCS-2 (hence being limited to the first 65536 characters). This is configurable, though -- I recall it was a preprocessor define in the C code, and you can change it to 32 bits per character, making it UTF-32. Of course, this won't help a Tcl script run somewhere else, but it means you _can_ build a Tcl interpreter that transparently works with "all unicode", at the cost of doubling memory consumption for every string. All this is concerning the internal string format, not what it accepts as input/output.
  • cmacleod4 3y ago
    The next major release Tcl 9.0 will support the full expanded unicode range, so you can properly manipulate strings containing Sanskrit, Arabic and Pile-of-Poo! Beta release coming "Real Soon Now" :-)