Tagbanwa script
Tagbanwa, is one of the scripts indigenous to the Philippines, used by the Tagbanwa people and the Palawan people as their ethnic writing system and script. The Tagbanwa languages (Aborlan, Calamian and Central), which are Austronesian languages with about 25,000 total speakers in the central and northern regions of Palawan, are dying out as the younger generations of Tagbanwa are learning and using non-traditional languages, such as Cuyonon and Tagalog, thus becoming less knowledgeable of their own indigenous cultural heritage. There are proposals to revive the script by teaching it in public and private schools with Tagbanwa  populations. Origin. The Tagbanwa script was used in the Philippines until the 17th century. Closely related to Baybayin, it is believed to have come from the Kawi script of Java, Bali and Sumatra, which in turn, descended from the Pallava script, one of the southern Indian scripts derived from Brahmi. Features. Tagbanwa is a syllabic alphabet in which each consonant has an inherent vowel /a/. Other vowels are indicated by a diacritic above (for /i/) or below (for /u/) the consonant. Vowels at the beginning of syllables are represented by their own, independent characters. Syllables ending in a consonant are  written without the final consonant. Tagbanwa is distinguished from Baybayin by shapes for several letters, most notably ‹k› and ‹w› that are markedly different from other Baybayin varieties. Tagbanwa is traditionally written on bamboo in vertical columns from bottom to top and left to right, though it is read from left to right in horizontal lines. Consonants. Tagbanwa writing makes use of single () and double () punctuation marks. Ibalnan. In the 20th century, this script was adopted from the Tagbanwa people by the Palawan people further south in the island. They call this alphabet 'Ibalnan' and the vowel mark an "ulit