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-rw-r--r--doc/ref/scheme-binding.texi3
1 files changed, 2 insertions, 1 deletions
diff --git a/doc/ref/scheme-binding.texi b/doc/ref/scheme-binding.texi
index 5e476141e..38f9bae08 100644
--- a/doc/ref/scheme-binding.texi
+++ b/doc/ref/scheme-binding.texi
@@ -232,7 +232,8 @@ bound in expression, you can use the @code{bound?} macro from the module
@code{(ice-9 optargs)}, documented in @ref{Optional Arguments}.
@c NJFIXME explain [env]
-@deffn primitive defined? sym [env]
+@deffn {Scheme Procedure} defined? sym [env]
+@deffnx {C Function} scm_definedp (sym, env)
Return @code{#t} if @var{sym} is defined in the lexical environment @var{env}. When @var{env} is not specified, look in the top-level environment as defined by the current module.
@end deffn