Add ligature support

Disabled prof perf'ing

init.el

@@ -53,6 +53,37 @@
 ;; Ensure use-package.el is installed
 (straight-use-package 'use-package)
 
+;; Load font ligatures, fancy arrows etc.
+(use-package ligature
+  :straight (ligature
+	     :package "ligature"
+	     :host github
+	     :type git
+	     :repo "mickeynp/ligature.el")
+  :config
+  ;; Enable the "www" ligature in every possible major mode
+  (ligature-set-ligatures 't '("www"))
+  ;; Enable traditional ligature support in eww-mode, if the
+  ;; `variable-pitch' face supports it
+  (ligature-set-ligatures 'eww-mode '("ff" "fi" "ffi"))
+  ;; Enable all Cascadia Code ligatures in programming modes
+  (ligature-set-ligatures 'prog-mode '("|||>" "<|||" "<==>" "<!--" "####" "~~>" "***" "||=" "||>"
+                                       ":::" "::=" "=:=" "===" "==>" "=!=" "=>>" "=<<" "=/=" "!=="
+                                       "!!." ">=>" ">>=" ">>>" ">>-" ">->" "->>" "-->" "---" "-<<"
+                                       "<~~" "<~>" "<*>" "<||" "<|>" "<$>" "<==" "<=>" "<=<" "<->"
+                                       "<--" "<-<" "<<=" "<<-" "<<<" "<+>" "</>" "###" "#_(" "..<"
+                                       "..." "+++" "/==" "///" "_|_" "www" "&&" "^=" "~~" "~@" "~="
+                                       "~>" "~-" "**" "*>" "*/" "||" "|}" "|]" "|=" "|>" "|-" "{|"
+                                       "[|" "]#" "::" ":=" ":>" ":<" "$>" "==" "=>" "!=" "!!" ">:"
+                                       ">=" ">>" ">-" "-~" "-|" "->" "--" "-<" "<~" "<*" "<|" "<:"
+                                       "<$" "<=" "<>" "<-" "<<" "<+" "</" "#{" "#[" "#:" "#=" "#!"
+                                       "##" "#(" "#?" "#_" "%%" ".=" ".-" ".." ".?" "+>" "++" "?:"
+                                       "?=" "?." "??" ";;" "/*" "/=" "/>" "//" "__" "~~" "(*" "*)"
+                                       "\\\\" "://"))
+  ;; Enables ligature checks globally in all buffers. You can also do it
+  ;; per mode with `ligature-mode'.
+  (global-ligature-mode t))
+
 ;; Ensure shell variables are loaded
 (use-package exec-path-from-shell :demand
 	     :init
@@ -60,8 +91,7 @@
 	     )
 
 ;; Profiling
-
+;; (use-package esup)
-(use-package esup)
 
 ;; Prevents emacs and packages from messily writing to dirs
 (use-package no-littering