1 Proposal to add two characters for Brahmi

§2. Background and attestation for Tamil Brahmi Pulli The Brahmi proposal L2/07-342 had noted (on pp 7-8) that during the early adaptation of the Brahmi script in the Tamil region (Early Tamil Brahmi) during the 2nd cy BCE to the 1st cy CE, there was no vowel-canceler in use, and: 1) In one style known as TB-I, the nominal form of the consonant denoted the pure vowelless consonant, with the consonant with the vowel sign AA denoting the consonant with either short A or long AA. 2) In another style known as TB-II, the nominal form of the consonant denoted both the pure consonant and the consonant with the short vowel A, with the consonant with the vowel sign AA denoting only the consonant with the long AA. Due to the ambiguity in both above systems and due to pressure to conform with the Brahmi of neighbouring regions, a further orthographic modification later on (Later Tamil Brahmi) during the 2nd to 4th centuries CE led to a style known as TB-III where: a) The nominal form of the consonant denoted the consonant with the short vowel A, making this vowel inherent as in other varieties of Brahmi