master 66756df: Fix Rmail summary for more than 99,999 messages

[Eli Zaretskii]

branch: master
commit 66756df286bea6efd3f9a8290e38e8d77bdf0264
Author: Eli Zaretskii <eliz@gnu.org>
Commit: Eli Zaretskii <eliz@gnu.org>

    Fix Rmail summary for more than 99,999 messages
    
    * lisp/mail/rmailsum.el (rmail-summary-font-lock-keywords): Don't
    assume there will be less than 100,000 messages in an mbox file.
    (Bug#45912)
---
 lisp/mail/rmailsum.el | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/lisp/mail/rmailsum.el b/lisp/mail/rmailsum.el
index 60b67ed..d29115a 100644
--- a/lisp/mail/rmailsum.el
+++ b/lisp/mail/rmailsum.el
@@ -51,10 +51,10 @@ Setting this option to nil might speed up the generation of 
summaries."
   :group 'rmail-summary)
 
 (defvar rmail-summary-font-lock-keywords
-  '(("^.....D.*" . font-lock-string-face)                      ; Deleted.
-    ("^.....-.*" . font-lock-type-face)                                ; 
Unread.
+  '(("^ *[0-9]+D.*" . font-lock-string-face)                   ; Deleted.
+    ("^ *[0-9]+-.*" . font-lock-type-face)                     ; Unread.
     ;; Neither of the below will be highlighted if either of the above are:
-    ("^.....[^D-] \\(......\\)" 1 font-lock-keyword-face)      ; Date.
+    ("^ *[0-9]+[^D-] \\(......\\)" 1 font-lock-keyword-face)   ; Date.
     ("{ \\([^\n}]+\\) }" 1 font-lock-comment-face))            ; Labels.
   "Additional expressions to highlight in Rmail Summary mode.")