The biggest issue is the default text-orientation of common symbols and punctuation, so here's a table to start figuring it all out. :)
| Orientation Code | Meaning |
|---|---|
| U | always upright |
| S | always sideways |
| G | upright with alt glyph, else fallback to sideways |
| ? | unknown, please fill in |
| [1] | Special Behavior #1 (see notes below table) |
| Name | CatCode | Char | CSSWG | Unicode | AH | InDesign | MSFT | Vrt2 | Notes |
|---|---|---|---|---|---|---|---|---|---|
| Currency Symbols | Sc | $£€ | S | ? | ? | ? | ? | ? | Except Fullwidth = Upright |
| Math Symbols | Sm | + | S | ? | ? | ? | ? | ? | Except Fullwidth = Upright |
| Modifier Symbols | Sk | ¸˦῁ | S | ? | ? | ? | ? | ? |
| Name | Codepoint | Char | CSSWG | Unicode | AH | InDesign | MSFT | Vrt2 | Notes |
|---|---|---|---|---|---|---|---|---|---|
| Exclamation Mark | U+0021 | ! | S | ? | ? | ? | ? | ? | Has fullwidth variant |
| Middle Dot | U+00B7 | ⋅ | [1] | ? | ? | ? | ? | ? | Sideways in Japanese, Upright in Chinese |
[1] U if lang=zh, else S
| U+2016 ( ‖ ) DOUBLE VERTICAL LINE U | |
| U+2017 ( ‗ ) DOUBLE LOW LINE U | |
| U+2020 ( † ) DAGGER U | |
| U+2021 ( ‡ ) DOUBLE DAGGER U | |
| U+2022 ( • ) BULLET U | |
| U+2023 ( ‣ ) TRIANGULAR BULLET U | |
| U+2024 ( ․ ) ONE DOT LEADER s | |
| U+2025 ( ‥ ) TWO DOT LEADER s | |
| U+2026 ( … ) HORIZONTAL ELLIPSIS s | |
| U+2027 ( ‧ ) HYPHENATION POINT | |
| U+2030 ( ‰ ) PER MILLE SIGN c | |
| U+2031 ( ‱ ) PER TEN THOUSAND SIGN c | |
| U+2032 ( ′ ) PRIME c | |
| U+2033 ( ″ ) DOUBLE PRIME c | |
| U+2034 ( ‴ ) TRIPLE PRIME c | |
| U+2035 ( ‵ ) REVERSED PRIME c | |
| U+2036 ( ‶ ) REVERSED DOUBLE PRIME c | |
| U+2037 ( ‷ ) REVERSED TRIPLE PRIME c | |
| U+2038 ( ‸ ) CARET S | |
| U+203B ( ※ ) REFERENCE MARK S | |
| U+203D ( ‽ ) INTERROBANG U | |
| U+203E ( ‾ ) OVERLINE S | |
| U+2041 ( ⁁ ) CARET INSERTION POINT S | |
| U+2042 ( ⁂ ) ASTERISM S | |
| U+2043 ( ⁃ ) HYPHEN BULLET S | |
| U+204A ( ⁊ ) TIRONIAN SIGN ET S | |
| U+204B ( ⁋ ) REVERSED PILCROW SIGN S | |
| U+204C ( ⁌ ) BLACK LEFTWARDS BULLET S | |
| U+204D ( ⁍ ) BLACK RIGHTWARDS BULLET S | |
| U+204E ( ⁎ ) LOW ASTERISK S | |
| U+204F ( ⁏ ) REVERSED SEMICOLON S | |
| U+2050 ( ⁐ ) CLOSE UP S | |
| U+2051 ( ⁑ ) TWO ASTERISKS ALIGNED VERTICALLY S | |
| U+2053 ( ⁓ ) SWUNG DASH S | |
| U+2055 ( ⁕ ) FLOWER PUNCTUATION MARK S | |
| U+2057 ( ⁗ ) QUADRUPLE PRIME c | |
| # General Punctuation — Double punctuation for vertical text | |
| U+203C ( ‼ ) DOUBLE EXCLAMATION MARK U | |
| U+2047 ( ⁇ ) DOUBLE QUESTION MARK U | |
| U+2048 ( ⁈ ) QUESTION EXCLAMATION MARK U | |
| U+2049 ( ⁉ ) EXCLAMATION QUESTION MARK U | |
| # General Punctuation — Archaic punctuation | |
| U+2056 ( ⁖ ) THREE DOT PUNCTUATION S | |
| U+2058 ( ⁘ ) FOUR DOT PUNCTUATION S | |
| U+2059 ( ⁙ ) FIVE DOT PUNCTUATION S | |
| U+205A ( ⁚ ) TWO DOT PUNCTUATION S | |
| U+205B ( ⁛ ) FOUR DOT MARK S | |
| U+205C ( ⁜ ) DOTTED CROSS S | |
| U+205D ( ⁝ ) TRICOLON S | |
| U+205E ( ⁞ ) VERTICAL FOUR DOTS S | |
| # Supplemental Punctuation — Dictionary punctuation | |
| U+2E1B ( ⸛ ) TILDE WITH RING ABOVE | |
| U+2E1E ( ⸞ ) TILDE WITH DOT ABOVE | |
| U+2E1F ( ⸟ ) TILDE WITH DOT BELOW | |
| # Supplemental Punctuation — Archaic punctuation | |
| U+2E2A ( ⸪ ) TWO DOTS OVER ONE DOT PUNCTUATION | |
| U+2E2B ( ⸫ ) ONE DOT OVER TWO DOTS PUNCTUATION | |
| U+2E2C ( ⸬ ) SQUARED FOUR DOT PUNCTUATION | |
| U+2E2D ( ⸭ ) FIVE DOT MARK | |
| U+2E2E ( ⸮ ) REVERSED QUESTION MARK | |
| U+2E30 ( ⸰ ) RING POINT | |
| U+2E31 ( ⸱ ) WORD SEPARATOR MIDDLE DOT | |
U+2190–U+21FF, U+261A–U+261F, U+2B00–U+2B11, U+2B45–U+2B46, U+2794–U+27BE
U+2500–U+257F, U+2580–U+259F
U+00B2, U+00B3, U+00B9, U+20070, U+2074–U+2079, U+2080–U+2089, U+00BC–U+00BE, U+2150–U+215F, U+2189
Anything else in No category?
Unicode Error* Aegean numbers U+10107–U+10133 and North Indic fractions U+A830–U+A835 will be in ScriptExtensions.txt in Unicode 6.1, and therefore not Common, and therefore Sideways.
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