\LastDeclaredEncoding ¶Synopsis:
\LastDeclaredEncoding
Get the name of the most recently declared encoding. The
\DeclareFontEncoding command stores the name so that it can be
retrieved with this command (see \DeclareFontEncoding).
This relies on \LastDeclaredEncoding rather than give the
name of the encoding explicitly.
\DeclareFontEncoding{JH1}{}{}
\DeclareTextAccent{\'}{\LastDeclaredEncoding}{0}