Here are several more Unicode blocks that contain characters we may want as operator symbols <http://unicode.org/cldr/utility/list-unicodeset.jsp?a=%5B%5Cp%7BBlock%3DMiscellaneous+Technical%7D%0D%0A%5Cp%7BBlock%3DOptical+Character+Recognition%7D%0D%0A%5Cp%7BBlock%3DBox+Drawing%7D%0D%0A%5Cp%7BBlock%3DBlock+Elements%7D%0D%0A%5Cp%7BBlock%3DGeometric+Shapes%7D%0D%0A%5Cp%7BBlock%3DMiscellaneous+Symbols%7D%0D%0A%5Cp%7BBlock%3DDingbats%7D%0D%0A%5Cp%7BBlock%3DBraille%7D%0D%0A%5Cp%7BBlock%3DMiscellaneous+Symbols+And+Arrows%7D%0D%0A%5Cp%7BBlock%3DYijing+Hexagram+Symbols%7D%0D%0A%5Cp%7BBlock%3DMusical+Symbols%7D%0D%0A%5Cp%7BBlock%3DAncient+Greek+Musical+Notation%7D%0D%0A%5Cp%7BBlock%3DTai+Xuan+Jing+Symbols%7D%0D%0A%5Cp%7BBlock%3DMahjong+Tiles%7D%0D%0A%5Cp%7BBlock%3DDomino+Tiles%7D%0D%0A%5Cp%7BBlock%3DPlaying+Cards%7D%0D%0A%5Cp%7BBlock%3DOrnamental+Dingbats%7D%0D%0A%5Cp%7BBlock%3DAlchemical+Symbols%7D%0D%0A%5Cp%7BBlock%3DGeometric+Shapes+Extended%7D%0D%0A%5Cp%7BBlock%3DSupplemental+Arrows+C%7D%5D%0D%0A&g=&i=>. I have not gone through them at a detailed level, and many blocks I am simply unsure how we want to categorize.
[\p{Block=Miscellaneous Technical}
\p{Block=Optical Character Recognition}
\p{Block=Box Drawing}
\p{Block=Block Elements}
\p{Block=Geometric Shapes}
\p{Block=Miscellaneous Symbols}
\p{Block=Dingbats}
\p{Block=Braille}
\p{Block=Miscellaneous Symbols And Arrows}
\p{Block=Yijing Hexagram Symbols}
\p{Block=Musical Symbols}
\p{Block=Ancient Greek Musical Notation}
\p{Block=Tai Xuan Jing Symbols}
\p{Block=Mahjong Tiles}
\p{Block=Domino Tiles}
\p{Block=Playing Cards}
\p{Block=Ornamental Dingbats}
\p{Block=Alchemical Symbols}
\p{Block=Geometric Shapes Extended}
\p{Block=Supplemental Arrows C}]
Nevin
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