bug#53702: 27.1; diary does not display some entries in european style

[Michael Heerdegen <michael_heerdegen@web.de>]

Hello Francesco,

did you have the chance to try if that patch (repeated below) fixes your
problem?

Regards,

Michael.

> From 5346b90b9884b9190cfe77310f2444ed35d182eb Mon Sep 17 00:00:00 2001
> From: Michael Heerdegen <michael_heerdegen@web.de>
> Date: Wed, 2 Feb 2022 01:08:43 +0100
> Subject: [PATCH] WIP: Try to fix #53702
>
> ---
>  lisp/calendar/calendar.el | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/lisp/calendar/calendar.el b/lisp/calendar/calendar.el
> index 48d308afad..0605e4bf51 100644
> --- a/lisp/calendar/calendar.el
> +++ b/lisp/calendar/calendar.el
> @@ -800,8 +800,8 @@ diary-american-date-forms
>  (defcustom diary-european-date-forms
>    '((day "/" month "[^/0-9]")
>      (day "/" month "/" year "[^0-9]")
> -    (backup day " *" monthname "\\W+\\<\\([^*0-9]\\|\\([0-9]+[:aApP]\\)\\)")
> -    (day " *" monthname " *" year "[^0-9:aApP]")
> +    (backup day " *" monthname "\\W+\\<\\([^*0-9]\\|\\([0-9]+[:.aApP]\\)\\)")
> +    (day " *" monthname " *" year "[^0-9:.aApP]")
>      (dayname "\\W"))
>    "List of pseudo-patterns describing the European style of dates.
>  The defaults are: DAY/MONTH; DAY/MONTH/YEAR; DAY MONTHNAME;
> --
> 2.30.2
>