[elpa] externals/calibre 3a7abbee56 64/76: Use compat to lower required Emacs version

[ELPA Syncer]

branch: externals/calibre
commit 3a7abbee561708e121f7dd79cc2f73256a135986
Author: Kjartan Óli Ágústsson <kjartanoli@disroot.org>
Commit: Kjartan Óli Ágústsson <kjartanoli@disroot.org>

    Use compat to lower required Emacs version
    
    * calibre-library.el: Use compat.
    * calibre.el: Lower required Emacs version.
    Add dependency on compat.
---
 calibre-library.el | 1 +
 calibre.el         | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/calibre-library.el b/calibre-library.el
index 546cf92d34..65ea40e35e 100644
--- a/calibre-library.el
+++ b/calibre-library.el
@@ -24,6 +24,7 @@
 
 ;;; Code:
 (require 'dired)
+(require 'compat)
 (require 'calibre-db)
 (require 'calibre-book)
 (require 'calibre-search)
diff --git a/calibre.el b/calibre.el
index 3112bb0f73..fb25ffd7b2 100644
--- a/calibre.el
+++ b/calibre.el
@@ -5,7 +5,7 @@
 ;; Author: Kjartan Oli Agustsson <kjartanoli@disroot.org>
 ;; Maintainer: Kjartan Oli Agustsson <kjartanoli@disroot.org>
 ;; Version: 1.1.0
-;; Package-Requires: ((emacs "29.1"))
+;; Package-Requires: ((emacs "27.1") (compat "29.1.4.1"))
 ;; URL: https://git.disroot.org/kjartanoli/calibre.el
 
 ;; This file is part of calibre.el.