time: MeST is a time zone name
Not only ChST but also MeST (America/Metlakatla) is a zone
name containing a lower case letter.
LGTM=robert.hencke, r
R=golang-codereviews, robert.hencke, bradfitz, r
CC=golang-codereviews
https://golang.org/cl/99910043
diff --git a/src/pkg/time/format_test.go b/src/pkg/time/format_test.go
index dd3f48d..3bc8f42 100644
--- a/src/pkg/time/format_test.go
+++ b/src/pkg/time/format_test.go
@@ -331,6 +331,7 @@
{"GMT-5 hi there", 5, true},
{"GMT-51 hi there", 3, true},
{"ChST hi there", 4, true},
+ {"MeST hi there", 4, true},
{"MSDx", 3, true},
{"MSDY", 0, false}, // four letters must end in T.
{"ESAST hi", 5, true},
