Fix tzical() doctest, add docs/samples/EST5EDT.ics
This commit moves the EST5EDT example to a seperate file, so the doctest can
readit. The example is still rendered in the final documentation.
diff --git a/docs/samples/EST5EDT.ics b/docs/samples/EST5EDT.ics
new file mode 100644
index 0000000..c066ecb
--- /dev/null
+++ b/docs/samples/EST5EDT.ics
@@ -0,0 +1,19 @@
+BEGIN:VTIMEZONE
+TZID:US-Eastern
+LAST-MODIFIED:19870101T000000Z
+TZURL:http://zones.stds_r_us.net/tz/US-Eastern
+BEGIN:STANDARD
+DTSTART:19671029T020000
+RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=10
+TZOFFSETFROM:-0400
+TZOFFSETTO:-0500
+TZNAME:EST
+END:STANDARD
+BEGIN:DAYLIGHT
+DTSTART:19870405T020000
+RRULE:FREQ=YEARLY;BYDAY=1SU;BYMONTH=4
+TZOFFSETFROM:-0500
+TZOFFSETTO:-0400
+TZNAME:EDT
+END:DAYLIGHT
+END:VTIMEZONE