update doc.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33791 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 1 deletions

diff --git a/time.c b/time.c
index 96b717b701..6bf6035d68 100644
--- a/time.c
+++ b/time.c
@@ -1799,7 +1799,7 @@ localtimew(wideval_t timew, struct vtm *result)
 struct time_object {
     wideval_t timew; /* time_t value * TIME_SCALE.  possibly Rational. */
     struct vtm vtm;
-    int gmt;
+    int gmt; /* 0:utc 1:localtime 2:fixoff */
     int tm_got;
 };
 
@@ -2496,6 +2496,8 @@ time_s_now(VALUE klass)
  *  can be Integer, Float, Rational, or other Numeric.
  *  non-portable feature allows the offset to be negative on some systems.
  *
+ *  If a numeric argument is given, the result is in local time.
+ *
  *     Time.at(0)            #=> 1969-12-31 18:00:00 -0600
  *     Time.at(Time.at(0))   #=> 1969-12-31 18:00:00 -0600
  *     Time.at(946702800)    #=> 1999-12-31 23:00:00 -0600