U+1FB9 "Ᾱ" Greek Capital Letter Alpha with Macron Unicode Character

U+1FB9 "Ᾱ" Greek Capital Letter Alpha with Macron is a precomposed character used in the polytonic orthography of ancient Greek, representing the long vowel alpha with a macron diacritic placed above it to indicate its extended pronunciation. This character is part of the Greek Extended block, which adds accents and breathing marks to standard Greek letters to support historical and scholarly texts. In digital typography, U+1FB9 allows writers and philologists to accurately transcribe classical Greek where vowel length is semantically significant, distinguishing it from the standard Greek alpha (Α) or the alpha with a breve.