From df7b74f1a316e232868ff7fbbafe12e4977c70e8 Mon Sep 17 00:00:00 2001
From: "Alex A. Naanou" <alex.nanou@gmail.com>
Date: Fri, 20 Oct 2023 19:00:35 +0300
Subject: [PATCH] tweaking...

Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
---
 experiments/outline-editor/editor.js  | 32 +++++++++++++++++++++++++++
 experiments/outline-editor/index.html |  3 ++-
 2 files changed, 34 insertions(+), 1 deletion(-)

diff --git a/experiments/outline-editor/editor.js b/experiments/outline-editor/editor.js
index 1f1380a..e53da7a 100755
--- a/experiments/outline-editor/editor.js
+++ b/experiments/outline-editor/editor.js
@@ -538,16 +538,48 @@ var styling = {
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -      
 
+// 
 // XXX use ligatures for these???
 var symbols = {
 	__proto__: plugin,
 
+	// XXX use a single regex with handler func to do these...
+	symbols: {
+			'>>': '»', 
+			'<<': '«', 
+			'->': '→', 
+			'<-': '←', 
+			'=>': '⇒', 
+			'<=': '⇐', 
+			'(i)': '🛈', 
+			'(c)': '©', 
+			'/!\\': '⚠', 
+	},
+	get symbols_pattern(){
+		return new RegExp(`(?<!\\\\)(${ 
+			Object.keys(this.symbols)
+				.join('|') 
+					.replace(/([\(\)\\\/])/g, '\\$1')
+		})`, 'g') },
+
 	__parse__: function(text, editor, elem){
+		var that = this
 		return text
+			.replace(this.symbols_pattern, 
+				function(m){
+					return that.symbols[m] })
 			// characters...
+			/*
+			.replace(/(?<!\\)>>/gm, '»') 
+			.replace(/(?<!\\)<</gm, '«') 
+			.replace(/(?<![\\<])->/gm, '→') 
+			.replace(/(?<![\\<])=>/gm, '⇒') 
+			.replace(/(?<!\\)<-(?!>)/gm, '←') 
+			.replace(/(?<!\\)<=(?!>)/gm, '⇐') 
 			.replace(/(?<!\\)\(i\)/gm, '🛈') 
 			.replace(/(?<!\\)\(c\)/gm, '©') 
 			.replace(/(?<!\\)\/!\\/gm, '⚠') 
+			//*/
 			.replace(/(?<!\\)---(?!-)/gm, '&mdash;') 
 			.replace(/(?<!\\)--(?!-)/gm, '&ndash;') },
 }
diff --git a/experiments/outline-editor/index.html b/experiments/outline-editor/index.html
index d27cfef..860afe2 100755
--- a/experiments/outline-editor/index.html
+++ b/experiments/outline-editor/index.html
@@ -261,7 +261,8 @@ var setup = function(){
         | 11 | 22 | 33 |
     - Symbols -- _should these be ligatures?_
       - (i), (c), /!\, ...
-      - -- and ---
+	  - <-, ->, <=, =>, <<, >> _(not sure about these)_
+	  - -- and ---
     - 
   - ---
   - ### Playground for testing