Add lexical binding to silence native compilation (#31)

* Use (use-region-p) instead of mark-active

* Use lexical-binding is available

* Yrying to fix cachix error in tests

Author: paaguti

.github/workflows/test.yml

@@ -19,12 +19,14 @@ jobs:
           - 27.1
           - 27.2
           - 28.1
+          - 28.2
+          - 29.1
           - snapshot
       fail-fast: false
     steps:
     - uses: actions/checkout@v3
     - name: Set up Emacs
-      uses: purcell/setup-emacs@v3.0
+      uses: purcell/setup-emacs@master
       with:
         version: ${{ matrix.emacs_version }}
 

move-text.el

@@ -1,4 +1,4 @@
-;;; move-text.el --- Move current line or region with M-up or M-down.
+;;; move-text.el --- Move current line or region with M-up or M-down. -*- lexical-binding: t; -*-
 
 ;; filename: move-text.el
 ;; Description: Move current line or region with M-up or M-down.