This is a main category requiring frequent diffusion and maybe maintenance. As many pictures and media files as possible should be moved into appropriate subcategories.
This block contains many specialized combining marks, often derived from European dialectology transcriptional conventions.
Marks next to or surrounding other diacritics
The left or right parentheses marks are used in extended IPA in combination with voicing or devoicing diacritics to indicate initial or final partial applicability.