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| author | Paul Eggert <eggert@cs.ucla.edu> | 2022-12-29 19:16:09 -0800 |
|---|---|---|
| committer | Paul Eggert <eggert@cs.ucla.edu> | 2022-12-29 21:32:15 -0800 |
| commit | bc4cbbcc57a56a23c64576c8c23ecf6afb1c747b (patch) | |
| tree | eea0bbcc36360d897bb6e75571aff6dfd756c259 /lisp/gnus/nndiary.el | |
| parent | d11e34ce76aac8680337f247419657e042e4cf34 (diff) | |
| download | emacs-bc4cbbcc57a56a23c64576c8c23ecf6afb1c747b.tar.gz | |
Add nndiary-headers obsolescence comment
* lisp/gnus/nndiary.el (nndiary-headers): Add comment
about alphabetic time zone names being obsolescent.
Diffstat (limited to 'lisp/gnus/nndiary.el')
| -rw-r--r-- | lisp/gnus/nndiary.el | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lisp/gnus/nndiary.el b/lisp/gnus/nndiary.el index ab9c6dd74f9..e3fb5d8f872 100644 --- a/lisp/gnus/nndiary.el +++ b/lisp/gnus/nndiary.el @@ -339,8 +339,15 @@ all. This may very well take some time.") ;; for this header) or one list (specifying all the possible values for this ;; header). In the latter case, the list does NOT include the unspecified ;; spec (*). + ;; For time zone values, we have symbolic time zone names associated with ;; the (relative) number of seconds ahead GMT. + ;; The list of time zone values is obsolescent, and new code should + ;; not rely on it. Many of the time zone abbreviations are wrong; + ;; in particular, all single-letter abbreviations other than "Z" have + ;; been wrong since Internet RFC 2822 (2001). However, the + ;; abbreviations have not been changed due to backward compatibility + ;; concerns. ) (defsubst nndiary-schedule () |