From 5d64c5c4b6a4ab3521bd829621c515a9940b476a Mon Sep 17 00:00:00 2001 From: Paul Eggert Date: Wed, 14 Aug 2024 20:37:12 -0700 Subject: [PATCH] * lisp/calendar/time-date.el: Add comment. (cherry picked from commit 2533a60e4256336eb30786a555a8922326c49a8a) --- lisp/calendar/time-date.el | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/lisp/calendar/time-date.el b/lisp/calendar/time-date.el index eca80f1e8b6..b441974b943 100644 --- a/lisp/calendar/time-date.el +++ b/lisp/calendar/time-date.el @@ -154,6 +154,11 @@ it is assumed that PICO was omitted and should be treated as zero." DATE should be in one of the forms recognized by `parse-time-string'. If DATE lacks timezone information, GMT is assumed." (condition-case err + ;; Parse DATE. If it contains a year, use defaults for other components. + ;; Then encode the result; this signals an error if the year is missing, + ;; because encode-time signals if crucial time components are nil. + ;; This heuristic uses local time if the string lacks time zone info, + ;; because encode-time treats a nil time zone as local time. (let ((parsed (parse-time-string date))) (when (decoded-time-year parsed) (decoded-time-set-defaults parsed)) -- 2.39.2