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Mention special variables in lexical binding documentation

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* doc/lispref/variables.texi (Lexical Binding): Briefly mention
special variables and their semantics.  (Bug#74540)
This commit is contained in:
Mike Kupfer 2024-11-25 16:52:05 -08:00 • committed by Eli Zaretskii
parent 0ef0f18f16
commit 3f99cdaf26
1 changed files with 7 additions and 1 deletions
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8
doc/lispref/variables.texi
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@ -1096,7 +1096,7 @@ x ; @r{Note that @code{x} has no global value.}
@end example
@noindent
The @code{let} binding defines a lexical environment in which the
Here, the @code{let} binding defines a lexical environment in which the
variable @code{x} is locally bound to 0. Within this binding
construct, we define a lambda expression which increments @code{x} by
one and returns the incremented value. This lambda expression is
@ -1113,6 +1113,12 @@ functions which take a symbol argument (like @code{symbol-value},
variable's dynamic binding (i.e., the contents of its symbol's value
cell).
Note also that variables may be declared special, in which case they
will use dynamic binding, even for new bindings such as a @code{let}
binding. Depending on how the variable is declared, it can be
special globally, for a single file, or for a portion of a file.
@xref{Dynamic Binding} for details.
@node Dynamic Binding
@subsection Dynamic Binding