tidy tags

basics/basics.md

@@ -342,11 +342,12 @@ apt install $PROGRAM
 
 Remove `lolcat`, because it's useless:
 
-```bash
+```sh
 sudo apt remove lolcat
 ```
 
-... and that's pretty much it.  You can move, create, destroy, install things, and look things up.
+...and that's pretty much it.
+You can move, create, destroy, install things, and look things up.
 
 # Review
 

data/gpg/extras.md

@@ -1,6 +1,7 @@
 ---
 title: "gpg"
 tags: [ "vim", "data", "GPG" ]
+requires: [ "GPG Basics", "vim basics" ]
 ---
 
 The `vim-gnupg` plugin lets vim edit gpg-encrypted files as if they were unencrypted.

data/recfiles/Board_Games.md

@@ -1,6 +1,7 @@
 ---
-title: "Board Games"
+title: "Board Games with Recfiles"
 tags: [ "data", "recfiles", "games" ]
+requires: "Recfiles"
 ---
 
 You can play with a board games database from boardgamegeek.com.