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Diffstat (limited to 'manual/math.texi')
| -rw-r--r-- | manual/math.texi | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/manual/math.texi b/manual/math.texi index 152744147c..a884cb7c29 100644 --- a/manual/math.texi +++ b/manual/math.texi @@ -106,7 +106,7 @@ The reciprocal of the square root of two (also the square root of 1/2). @end vtable These constants come from the Unix98 standard and were also available in -4.4BSD; therefore they are only defined if @code{_BSD_SOURCE} or +4.4BSD; therefore they are only defined if @code{_XOPEN_SOURCE=500}, or a more general feature select macro, is defined. The default set of features includes these constants. @xref{Feature Test Macros}. |