Tcl user since 1995.

`http::formatQuery` patch for RFC 3986 compliance: http://core.tcl.tk/tcl/tktview?name=3498327

`aes::aes` patch for input beginning with `0x2D`: http://core.tcl.tk/tcllib/tktview?name=3574004fff

`exec` patch for binary `<<` input: [bexec]

Overloading `set`, because I can: [shorthand dict set]

If at first, you don't succeed, try ... [retry]

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