large changes

lib/symbol.lua

@@ -1,7 +1,75 @@
 local M = {}
 
-M.copyright = "©"
-M.registered_trademark = "®"
-M.trademark = "™"
+local function get(s)
+	return "&" .. (s or "") .. ";"
+end
+
+M.legal = {
+	copyright = get("copy"),
+	registered_trademark = get("reg"),
+	trademark = get("trade"),
+}
+
+M.currency = {
+	euro = get("euro"),
+	pound = get("pound"),
+	yen = get("yen"),
+	cent = get("cent"),
+	dollar = "$",
+}
+
+M.math = {
+	plus_minus = get("plusmn"),
+	multiply = get("times"),
+	divide = get("divide"),
+	not_equal = get("ne"),
+	less_equal = get("le"),
+	greater_equal = get("ge"),
+	infinity = get("infin"),
+	approx = get("asymp"),
+}
+
+M.arrows = {
+	left = get("larr"),
+	right = get("rarr"),
+	up = get("uarr"),
+	down = get("darr"),
+	left_right = get("harr"),
+}
+
+M.punctuation = {
+	left_double_quote = get("ldquo"),
+	right_double_quote = get("rdquo"),
+	left_single_quote = get("lsquo"),
+	right_single_quote = get("rsquo"),
+	ellipsis = get("hellip"),
+	em_dash = get("mdash"),
+	en_dash = get("ndash"),
+}
+
+M.whitespace = {
+	non_breaking = get("nbsp"),
+	thin = get("thinsp"),
+}
+
+M.symbols = {
+	degree = get("deg"),
+	micro = get("micro"),
+	section = get("sect"),
+	paragraph = get("para"),
+	check = get("check"),
+	cross = get("cross"),
+	bullet = get("bull"),
+	middle_dot = get("middot"),
+	broken_bar = get("brvbar"),
+}
+
+M.html = {
+	less_than = get("lt"),
+	greater_than = get("gt"),
+	ampersand = get("amp"),
+	double_quote = get("quot"),
+	single_quote = get("apos"),
+}
 
 return M