bad lint for testing - drop this commit

.github/workflows/comment-pr.yml

@@ -12,7 +12,8 @@ jobs:
       pull-requests: write
     runs-on: ubuntu-latest
     if: >
-      ${{ github.event.workflow_run.event == 'pull_request' }}
+      ${{ github.event.workflow_run.event == 'pull_request' &&
+      github.event.workflow_run.conclusion == 'completed' }}
     steps:
       - name: 'Download artifact'
         uses: actions/github-script@v8

books/free-programming-books-langs.md

@@ -388,6 +388,7 @@ Books on general-purpose programming that don't focus on a specific language are
 
 ### Bash
 
+* [z](www.google.com) - Leithen C
 * [Advanced Bash-Scripting Guide](https://tldp.org/LDP/abs/html/) - M. Cooper (HTML)
 * [Bash Guide for Beginners (2008)](https://www.tldp.org/LDP/Bash-Beginners-Guide/html/) - M. Garrels (HTML)
 * [Bash Notes for Professionals](https://goalkicker.com/BashBook/) - Compiled from StackOverflow documentation (PDF)