Later still, vowel marks and the " " were introduced, beginning some time in the latter half of the 7th century, preceding the first invention of Umayyad era by Abu al-Aswad al-Du'ali a dot above = " ", a dot below = " ", a dot on the line = " ", and doubled dots indicated nunation.
32.
I've seen Cirth fonts, based on Tolkien's table, that treat the double dots ( separating groups of runes ) as part of an adjacent rune, and / or treat the variant forms ( shown side by side ) as parts of one character . ( Curiously, in : File : Cirth . png three of the runes that have variant forms are shown as two identical glyphs . ) talk ) 23 : 30, 17 February 2009 ( UTC)
33.
It does not constitute a velar trill, because the velum is here the " active " articulator, not the passive; the tongue is not involved at all . ( " Speculative Grammarian " has famously proposed a jocular symbol for this sound ( also the sound used to imitate a pig's snort ), a double-wide with double dot, suggesting a pig's snout . " The Extensions to the IPA " identifies a fricative pronounced with this same configuration as " velopharyngeal " .)