Re: Combining Box Characters?

From: William_J_G Overington (
Date: Fri Jan 08 2010 - 02:44:03 CST

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    > This is what is known as a railroad-track syntax diagram. 

    If your goal is to produce the diagrams, a method that could be used would be to define some additional characters in one of the Unicode Private Use Areas and then to produce your own font that includes glyphs for those characters. This method would not use combining characters at all, yet is capable of producing excellent results locally or amongst a group of people interested in using those particular private use code points for the task.

    If you are interested in producing your own font you might perhaps like to try the forum at the following webspace.

    Some information about the Unicode Private Use Areas is available in the following referenced document, section 16.5.

    It seems to me that defining some characters in the plane 0 Private Use Area and then producing a font may be a good solution. Defining one of the new characters as a space of matching width to each and all of the other new characters may well be useful.

    I hope that this helps.

    William Overington

    8 January 2010

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