Here is a page on BOX DRAWING CHARACTERS
aka ASCII CODE PAGE 437
Better wiki link
This is what they look like when encoding is borked.
░▒▓│┤╡╢╖╕╣║╗╝╜╛┐
└┴┬├─┼╞╟╚╔╩╦╠═╬╧
or forget what I'm talking about:
0 1 2 3 4 5 6 7 8 9 A B C D E F
B │ ┤ ╡ ╢ ╖ ╕ ╣ ║ ╗ ╝ ╜ ╛ ┐
C └ ┴ ┬ ├ ─ ┼ ╞ ╟ ╚ ╔ ╩ ╦ ╠ ═ ╬ ╧
D ╨ ╤ ╥ ╙ ╘ ╒ ╓ ╫ ╪ ┘ ┌
UTF-8 HAS THE ANSWER
& and # and dec or x for hex
─━│┃┄
┅┆┇┈┉
┊┋┌┍┎
┏
┐┑┒┓└
┕┖┗┘┙
┚┛├┝┞┟
┠┡┢┣┤
┥┦┧┨┩
┪┫┬┭┮┯
┰┱┲┳┴
┵┶┷┸┹
┺┻┼┽┾┿
╀╁╂╃╄
╅╆╇╈╉
╊╋╌╍╎╏
═║╒╓╔
╕╖╗╘╙
╚╛╜╝╞╟
╠╡╢╣╤
╥╦╧╨╩
╪╫╬╭╮╯
╰╱╲╳╴
╵╶╷╸╹
╺╻╼╽╾╿
▀▁▂▃▄
▅▆▇█▉
▊▋▌▍▎▏
▐░▒▓▔
▕▖▗▘▙
▚▛▜▝▞▟
■□▢▣▤
▥▦▧▨▩
▪▫▬▭▮▯
▰▱▲△▴
▵▶▷▸▹
►▻▼▽▾▿
At this point, I'm willing to say
forget what we as a species have placed
on our deep space probes (pioneer plaque,
golden record stuff)... Well, not forget
but send out another with this fantastic
portion of the character set.
◀◁◂◃◄
◅◆◇◈◉
◊○◌◍◎●
◐◑◒◓◔
◕◖◗◘◙
◚◛◜◝◞◟
◠◡◢◣◤
◥◦◧◨◩
◪◫◬◭◮◯
◰◱◲◳◴
◵◶◷◸◹
◺◻◼◽◾◿