This script produces a comma separated list of special key symbols in Unicode for WP-Table Reloaded.

unicode-key-symbols.rb

#!/usr/bin/env ruby
# coding: utf-8

# Raw data : http://unicode.org/Public/UNIDATA/UnicodeData.txt
# Format   : http://www.ksu.ru/eng/departments/ktk/test/perl/lib/unicode/UCDFF301.html

require 'csv'
require 'htmlentities'

options = {
	:col_sep => ';',
	:headers => headers = [
			'Code value',
			'Character name',
			'General Category',
			'Canonical Combining Classes',
			'Bidirectional Category',
			'Character Decomposition Mapping',
			'Decimal digit value',
			'Digit value',
			'Numeric value',
			'Mirrored',
			'Unicode 1.0 Name',
			'10646 comment field',
			'Uppercase Mapping',
			'Lowercase Mapping',
			'Titlecase Mapping'
		]
}

key_symbols = ['238B','21E5','21E4','21EA','21E7','2303','2325','F8FF','2318','2423','23CE','21A9','232B','2326','20DD','21F1','2196','21B8','21F2','2198','21DE','21DF','2191','21E1','2193','21E3','2190','21E0','2192','21E2','2327','21ED','2324','23CF','233D']

coder = HTMLEntities.new
table = []

CSV.open('./UnicodeData.txt', 'r', options).each do |row|
	next unless key_symbols.include? row['Code value']
	d = row['Code value'].to_i(16)
	table << [ c = d.chr('UTF-8'),
		       sprintf("U+%02X", d),
		       coder.encode(coder.encode(c, :basic, :decimal), :named),
		       coder.encode(row['Character name'].capitalize, :named),
		       key_symbols.index(row['Code value']) ]
end

puts "Character,Hex,HTML Entity,Name"
table.sort_by {|row| row[row.length-1]}.each do |row|
	row.delete_at row.length-1
	puts row.to_csv
end