Add and re-configure ligature package as submodule

.gitmodules

@@ -1,3 +1,6 @@
 [submodule "external-packages/nerd-icons-dired"]
 	path = external-packages/nerd-icons-dired
 	url = https://github.com/rainstormstudio/nerd-icons-dired.git
+[submodule "external-packages/ligature.el"]
+	path = external-packages/ligature.el
+	url = https://github.com/mickeynp/ligature.el.git

README.org

@@ -50,6 +50,7 @@ section of configuration.
         use-short-answers t
         kill-do-not-save-duplicates t)
 
+  (set-language-environment "UTF-8")
   (set-default-coding-systems 'utf-8)
   (global-auto-revert-mode +1)
   (delete-selection-mode +1)
@@ -180,19 +181,18 @@ Configure the look and feel of Emacs
 *** Font ligatures
 #+begin_src emacs-lisp
   (use-package ligature
-    :if (package-installed-p 'ligature)
-    :disabled t
+    :load-path "external-packages/ligature.el/"
     :functions (ligature-set-ligatures
                 global-ligature-mode)
     :config
     (ligature-set-ligatures
      '(text-mode prog-mode org-mode)
-     '("->" "-->" "--->" "=>" "==>" "===>"
-       "<--" "<---" "<-" "<==" "<==="
-       "<->" "<-->" "<--->" "<---->"
-       "<=>" "<==>" "<===>" "<====>"
-       "<=" ">=" "==" "!=" "===" "!==" "!==="
-       "/*" "*/" "+++" "<~~" "~~>" "<!---" "---!>"))
+     '("<---" "<--"  "<<-" "<-" "->" "-->" "--->" "<->" "<-->" "<--->" "<---->" "<!--"
+       "<==" "<===" "<=" "=>" "=>>" "==>" "===>" ">=" "<=>" "<==>" "<===>" "<====>" "<!---"
+       "<~~" "<~" "~>" "~~>" "::" ":::" "==" "!=" "===" "!=="
+       ":=" ":-" ":+" "<*" "<*>" "*>" "<|" "<|>" "|>" "+:" "-:" "=:" "<******>" "++" "+++"))
+    (ligature-set-ligatures 'markdown-mode '(("=" (rx (+ "=") (? (| ">" "<"))))
+                                             ("-" (rx (+ "-")))))
     (global-ligature-mode +1))
 #+end_src
 *** Font Showcase
@@ -200,12 +200,12 @@ This is a showcase of various font and UI features to act as a
 standard candle.
 **** Font emphasis
 Examples of:
-- *Bold text*
-- /Italic text/
-- _Underscored text_
-- =Literal text=
-- ~Code~
-- +Strike-through+
+- *Bold text* (*)
+- /Italic text/ (/)
+- _Underscored text_ (_)
+- =Literal text= (=)
+- ~Code~ (~)
+- +Strike-through+ (+)
 **** Character showcase
 #+begin_example
 ABC.DEF.GHI.JKL.MNO.PQRS.TUV.WXYZ abc.def.ghi.jkl.mno.pqrs.tuv.wxyz
@@ -1446,6 +1446,7 @@ Configure email with iCalendar event support, to integrate with
                                (project-find-regexp "Find regexp")
                                (project-find-dir "Find directory")
                                (project-eshell "Eshell")
+                               (project-vc-dir "VC Status")
                                (magit-project-status "Magit")))
     :config
     (defun my/project-find-common-projects ()

external-packages/ligature.el

@@ -0,0 +1 @@
+Subproject commit 6ac1634612dbd42f7eb81ecaf022bd239aabb954