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• Vim can insert any character by its numeric code, and expects the numeric code to consist of three digits: `{code}`

e.g. Insert "A" in insertion mode: `065`

• Insert a unicode character using its four-digit hexadecimal code: `u{code}`

• `ga`: show the numeric code for the character on the cursor

| Keystrokes | Effect | | `{123}` | Insert character by decimal code | | `u{1234}` | Insert character by hexadecimal code | | `{nondigit}` | Insert nondigit literally | | `{char1}{char2}` | Insert character represented by `{char1}{char2}` digraph |