Unicode input
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Many systems provide direct unicode input support to type in the unicode code point number in decimal and hex and get the resulting character.
- the WordPad editor can be used to generate characters from many Unicode blocks. Internet Explorer does not support typing in decimal entity values more than 255; in practice this is immaterial, as Windows takes modulo 256 of Alt codes greater than 255 anyway).
- Note: doing certain alt-key sequences in certain web browsers can cause unexpected results (a blank page, enter, expired cache, etc).
- A variant of alt codes are Alt-X codes: they can be applied in WordPad and Microsoft Word 2002/2003 for Windows; the keystroke
Alt + xwill convert a Selected hexadecimal number to the corresponding character; see Unicode input methods, Windows Alt keycodes. Note, IE does not support this feature. you need to hold alt down - The Linux console supports Alt codes using the same method as with Windows. In Vim editor, first type
Ctrl-V u, then type in the hexadecimal number of the symbol or character desired, and it will be converted into the symbol. - In Mac OS X and in Mac OS 8.5 and later: choose the Unicode Hex Input keyboard layout. Hold down the Option key, and type the four-digit hex Unicode code point. Release the Option key; the equivalent character will appear. To type accents whilst using a standard Roman keyboard, hold down Option key then press `, e, i, n, and u for grave, acute, circumflex, tilde and umlaut respectively. Option can be used in conjunction with other keys to produce various other characters.[1]
- In GTK+ applications, press Ctrl-Shift-U and then type the Unicode number (in hexadecimal) with Ctrl and Shift held down. Later versions do not require Ctrl and Shift to be held down while typing the number. GTK+ versions before version 2.10 require holding down Ctrl and Shift while entering the number (Ctrl-Shift-U does not exist in those versions).
- With most keyboards, you can do Alt+Down, let go of down, then type in the number.