Combining Diacritical Marks Extended Unicode Block
Combining Diacritical Marks Extended is a collection of additional spacing and nonspacing marks designed for use with a wide variety of scripts, particularly for specialized phonetic notation, medieval manuscript transcription, and lesser-known orthographies. These marks include symbols for tone, stress, vowel quality, and consonant modifications, such as subscript or superscript diacritics, as well as signs for nasalization, palatalization, and glottalization, which are often required for accurate linguistic documentation. The block also provides characters for combining marks used in historical texts and for representing certain dialectal or archaic pronunciations that fall outside the standard Latin, Greek, or Cyrillic ranges. Its repertoire supports fine-grained annotation, enabling writers and scholars to encode subtle distinctions that typical diacritic sets do not cover, thus filling gaps for many academic and practical writing systems.