Add back a collection of known FiraCode ligatures

README.org

@@ -342,9 +342,25 @@ Loading this file is handled automatically on my [[https://git.xenia.me.uk/xenia
     :ensure t
     :diminish
     :config
-    (ligature-set-ligatures '(text-mode prog-mode)
-                            '("==" "!=" ">=" "<="
-                              "->" "=>" "~>"))
+    (ligature-set-ligatures
+     '(text-mode prog-mode org-mode)
+     '("++" "--" "/=" "&&" "||" "||=" ; Arithmetics
+       "->" "=>" "::" "__" ; Scope
+       "==" "===" "!=" "=/=" ; Equality
+       "<=" ">=" "<=>" ; Comparisons
+       "/*" "*/" "//" "///" ; Comments
+       "\n" "\\" ; Excaped chars
+       "<<" "<<<" "<<=" ">>" ">>>" ">>=" "|=" "^=" ; Bit operations
+                                          ; TODO add hexadecimal ex?
+       "</" "<!--" "</>" "-->" "/>" ; HTML
+       "##" "###" "####" "#####" "######" ; Markdown
+       "--" "---" "----" "-----" "------"
+       "==" "===" "====" "=====" "======"
+       "..=" "::<" ; Rust
+       "-|" "_|_" "|-" "||-" "|=" "||=" ; Logic
+       ":>" ":<" ">:" "<:" "::>" "<::" ">::" ; Other
+       "{|" "|}" "#[" "]#" "::=" "#!" "#="
+       ))
     (global-ligature-mode +1))
 #+end_src
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