update elements and fix some bugs

lib/src/prism/components/prism-twig.js

Index: lib/src/prism/components/prism-twig.js
diff --git a/lib/src/prism/components/prism-twig.js b/lib/src/prism/components/prism-twig.js
index b2fc48fb58f652a512f4e03adffb1597331e2aee..09208b7c5c96046b7ef8b4316cb4a6a2b81a2b7e 100644
--- a/lib/src/prism/components/prism-twig.js
+++ b/lib/src/prism/components/prism-twig.js
@@ -1,46 +1,46 @@
 Prism.languages.twig = {
 	'comment': /\{#[\s\S]*?#\}/,
 	'tag': {
-		pattern: /(\{\{[\s\S]*?\}\}|\{%[\s\S]*?%\})/,
+		pattern: /\{\{[\s\S]*?\}\}|\{%[\s\S]*?%\}/,
 		inside: {
 			'ld': {
-				pattern: /^(\{\{\-?|\{%\-?\s*\w+)/,
+				pattern: /^(?:\{\{\-?|\{%\-?\s*\w+)/,
 				inside: {
-					'punctuation': /^(\{\{|\{%)\-?/,
+					'punctuation': /^(?:\{\{|\{%)\-?/,
 					'keyword': /\w+/
 				}
 			},
 			'rd': {
-				pattern: /\-?(%\}|\}\})$/,
+				pattern: /\-?(?:%\}|\}\})$/,
 				inside: {
 					'punctuation': /.*/
 				}
 			},
 			'string': {
-				pattern: /("|')(\\?.)*?\1/,
+				pattern: /("|')(?:\\?.)*?\1/,
 				inside: {
-					'punctuation': /^('|")|('|")$/
-				}
-			},
-			'keyword': /\b(if)\b/,
-			'boolean': /\b(true|false|null)\b/,
-			'number': /\b-?(0x[\dA-Fa-f]+|\d*\.?\d+([Ee]-?\d+)?)\b/,
-			'operator': /==|=|!=|<|>|>=|<=|\+|\-|~|\*|\/|\/\/|%|\*\*|\|/,
-			'space-operator': {
-				pattern: /(\s)(\b(not|b\-and|b\-xor|b\-or|and|or|in|matches|starts with|ends with|is)\b|\?|:|\?:)(?=\s)/,
-				lookbehind: true,
-				inside: {
-					'operator': /.*/
+					'punctuation': /^['"]|['"]$/
 				}
 			},
+			'keyword': /\b(?:even|if|odd)\b/,
+			'boolean': /\b(?:true|false|null)\b/,
+			'number': /\b-?(?:0x[\dA-Fa-f]+|\d*\.?\d+([Ee][-+]?\d+)?)\b/,
+			'operator': [
+				{
+					pattern: /(\s)(?:and|b\-and|b\-xor|b\-or|ends with|in|is|matches|not|or|same as|starts with)(?=\s)/,
+					lookbehind: true
+				},
+				/[=<>]=?|!=|\*\*?|\/\/?|\?:?|[-+~%|]/
+			],
 			'property': /\b[a-zA-Z_][a-zA-Z0-9_]*\b/,
-			'punctuation': /\(|\)|\[\]|\[|\]|\{|\}|:|\.|,/
+			'punctuation': /[()\[\]{}:.,]/
 		}
 	},
 
 	// The rest can be parsed as HTML
 	'other': {
-		pattern: /[\s\S]*/,
+		// We want non-blank matches
+		pattern: /\S(?:[\s\S]*\S)?/,
 		inside: Prism.languages.markup
 	}
 };