Clarifications on the usage of setlocale() and LC_NUMERIC to

[p5sagit/p5-mst-13.2.git] / pod / perldata.pod

diff --git a/pod/perldata.pod b/pod/perldata.pod
index 82ad855..cbfe070 100644 (file)
--- a/pod/perldata.pod
+++ b/pod/perldata.pod
@@ -337,6 +337,12 @@ X<interpolation>
 
 There is no double interpolation in Perl, so the C<$100> is left as is.
 
+By default floating point numbers substituted inside strings use the
+dot (".")  as the decimal separator.  If C<use locale> is in effect,
+and POSIX::setlocale() has been called, the character used for the
+decimal separator is affected by the LC_NUMERIC locale.
+See L<perllocale> and L<POSIX>.
+
 As in some shells, you can enclose the variable name in braces to
 disambiguate it from following alphanumerics (and underscores).
 You must also do