Re: Obsolete characters

From: Leo Broukhis (
Date: Sat Jan 17 2009 - 01:45:45 CST

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    On Fri, Jan 16, 2009 at 10:31 PM, Asmus Freytag <> wrote:
    >>> As an example of the wide usage of both, "µm" (using micro in the symbol
    >>> for
    >>> "micrometer" or "microMole") has about 18 million Google hits, while "μm"
    >>> (using mu) has about 8 million.

    >> There are three kinds: ISO 8859-1 µ,
    > Normally that one's usually mapped to 00B5, unless there's a specific
    > mapping that deliberately tries to consolidate the two Unicode ones on 03BC.
    > So there are only two cases.

    If I was a search engine developer, a µ in a document originally in
    ISO 8859-1 would be found in both cases.

    > A./
    >> U+00B5 and U+03BC. What exactly
    >> Google includes in the results when asked to search for U+00B5 or
    >> U+03BC, is anyone's guess.


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