| U+0020 <-- all space characters (general category Zs) |
| U+0027 ' <-- left/right single quotation mark U+2018..2019, |
| modifier letter apostrophe U+02BC, |
| modifier letter vertical line U+02C8 |
| U+002D - <-- all dash characters (general category Pd), |
| minus U+2212 |
| U+002F / <-- fraction slash U+2044, |
| division slash U+2215 |
| U+003A : <-- ratio U+2236 |
| U+003C < <-- single left-pointing angle quotation mark U+2039, |
| left-pointing angle bracket U+2329, |
| left angle bracket U+3008 |
| U+003E > <-- single right-pointing angle quotation mark U+203A, |
| right-pointing angle bracket U+232A, |
| right angle bracket U+3009 |
| U+005C \ <-- set minus U+2216 |
| U+005E ^ <-- modifier letter up arrowhead U+02C4, |
| modifier letter circumflex accent U+02C6, |
| caret U+2038, |
| up arrowhead U+2303 |
| U+005F _ <-- all connector characters (general category Pc), |
| modifier letter low macron U+02CD |
| U+0060 ` <-- modifier letter grave accent U+02CB |
| U+007C | <-- divides U+2223 |
| U+007E ~ <-- tilde operator U+223C |
| |
