Tamil-Brahmi is considered to be the earliest script used to write the Tamil language.
[4] Although, whether the Tamil script emerged during the Pallava dynasty or indeed from Tamil-Brahmi is contested among scholars.
[5] In his Tonnūḷ Viḷakkam, he differentiated between elongated and shortened vowel sounds in the Tamil script.
For instance, 'எ' used to be written for both 'e' and 'é' before Veeramamunivar who introduced 'ஏ'.
[7] The government of Tamil Nadu introduced some reforms in the script in order to simplify it.