More precise \rlaps for the previous MWE:
\hbox{\rlap{\ruledhbox {\transparentgreen\tfx c\symbol{glottalhamzah}c}}%
\hskip-.075em \ruledhbox {\transparentred c\symbol{glottalhamzah}c}}
\hbox{\rlap{\ruledhbox {\transparentgreen\tfx c\symbol{glottalayn}c}}%
\hskip-.075em \ruledhbox {\transparentred c\symbol{glottalayn}c}}
--
Professor Idris Samawi Hamid
Department of Philosophy
Colorado State University
Fort Collins, CO 80523
On Aug 12, 2023, 4:11 PM -0600, Idris Samawi Hamid ادريس سماوي حامد