Proposal to add standardized variation sequences for chess notation

Michael Everson everson at
Mon Apr 3 07:50:06 CDT 2017

On 2 Apr 2017, at 18:52, Richard Wordingham <richard.wordingham at> wrote:
> You forgot the most important setting though - that the higher-order protocols allow symbols to be displayed left-to-right. If the direction should happen to be right-to-left, not only is the game mirrored, but the board edges don't work properly, as the glyphs are not mirrored.  One needs each bidi-paragraph to be forced to the correct order, e.g. by use of LRM before and after, or, if the board is recorded right-to-left, RLM or ALM before and after.

None of the characters listed in §3 has a mirroring property. 

Michael Everson

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