Function: special-variable-p

special-variable-p is a function defined in eval.c.

Signature

(special-variable-p SYMBOL)

Documentation

Return non-nil if SYMBOL's global binding has been declared special.

A special variable is one that will be bound dynamically, even in a context where binding is lexical by default.

View in manual

Probably introduced at or before Emacs version 24.1.

Source Code

// Defined in /usr/src/emacs/src/eval.c
{
   CHECK_SYMBOL (symbol);
   return XSYMBOL (symbol)->u.s.declared_special ? Qt : Qnil;
}