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When ISO 8859-1 was created, it included the "μ" symbol for micro at codepoint 0xB5; later, the whole of ISO 8859-1 was incorporated into the initial version of Unicode. Many fonts that support both characters render them identically, but because the micro sign and the Greek lower-case letter have different applications (normally, a Greek letter would be used with other Greek letters, but the micro sign is never used like that), some fonts render them differently, e.g. Linux Libertine and Segoe UI.[citation needed]