Commit 3afd8c25 authored by Eli Zaretskii's avatar Eli Zaretskii
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(String Conversion) <string-to-number>: Document

that a float is returned for integers that are too large.
parent 7cc80f0a
......@@ -536,7 +536,9 @@ This function returns the numeric value of the characters in
in that base. If @var{base} is @code{nil}, then base ten is used.
Floating point conversion always uses base ten; we have not implemented
other radices for floating point numbers, because that would be much
more work and does not seem useful.
more work and does not seem useful. If @var{string} looks like an
integer but its value is too large to fit into a Lisp integer,
@code{string-to-number} returns a floating point result.
The parsing skips spaces and tabs at the beginning of @var{string}, then
reads as much of @var{string} as it can interpret as a number. (On some
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