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Unicode versus Symbol
Important: Symbol fonts are legacy; we recommend designing a Unicode font instead. If there are code-points assigned for your characters, then use them, otherwise use the private use area.
Symbol character sets have a special meaning: all of the characters in the Unicode range 0xF000 - 0xF0FF (inclusive) will be used to enumerate the symbol character set. All glyphs in this range are mapped to the range 0x0000 - 0x00FF.
Symbol fonts do not form words, so line breaks can occur after any character code. A spell checker should not check symbol font-formatted material.
You can convert your font between Unicode and Symbol though the Convert Font menu item in the Tools menu.
Note: only the first 224 characters of symbol fonts will be accessible: a space and up to 223 printing characters.