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\DeclareTextSymbol

Synopsis:

\DeclareTextSymbol{cmd}{encoding}{slot}

Define a symbol in the encoding encoding at the location slot. Symbols defined in this way are for use in text, not mathematics.

For example, this line from t1enc.def declares the number of the glyph to use for «, the left guillemet.

\DeclareTextSymbol{\guillemotleft}{T1}{19}

The command \DeclareTextCommand{\guillemotleft}{T1}{\char 19} has the same effect but is slower (see \DeclareTextCommand & \ProvideTextCommand).

See fontenc package, for a list of common encodings. The slot can be specified in decimal, or octal (as in '023), or hexadecimal (as in "13), although decimal has the advantage that single quote or double quote could be redefined by another package.

If cmd has already been defined then \DeclareTextSymbol does not give an error but it does log the redefinition in the transcript file.