André Szabolcs Szelp wrote:
Generally, for the decimal point . (U+002E FULLSTOP) and , (U+002C COMMA) is used in the SI world. However, earlier conventions could use different notation, such as the common British raised dot which centers with the lining digits (i.e. that would be U+00B7 MIDDLE DOT).
The different dot-like characters are quite a mess, but the case of British raised dot is simple: it is regarded as typographic variant of FULL STOP.
Ref.: http://unicode.org/uni2book/ch06.pdf (second page, paragraph with run-in heading "Typographic variation").
Yucca