update elements and fix some bugs

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

Index: lib/src/prism/components/prism-batch.js
diff --git a/lib/src/prism/components/prism-batch.js b/lib/src/prism/components/prism-batch.js
new file mode 100644
index 0000000000000000000000000000000000000000..c7ca9ca60d78e0c400e719e2b2c7046c0a6855a0
--- /dev/null
+++ b/lib/src/prism/components/prism-batch.js
@@ -0,0 +1,99 @@
+(function (Prism) {
+	var variable = /%%?[~:\w]+%?|!\S+!/;
+	var parameter = {
+		pattern: /\/[a-z?]+(?=[ :]|$):?|-[a-z]\b|--[a-z-]+\b/im,
+		alias: 'attr-name',
+		inside: {
+			'punctuation': /:/
+		}
+	};
+	var string = /"[^"]*"/;
+	var number = /(?:\b|-)\d+\b/;
+
+	Prism.languages.batch = {
+		'comment': [
+			/^::.*/m,
+			{
+				pattern: /((?:^|[&(])[ \t]*)rem\b(?:[^^&)\r\n]|\^(?:\r\n|[\s\S]))*/im,
+				lookbehind: true
+			}
+		],
+		'label': {
+			pattern: /^:.*/m,
+			alias: 'property'
+		},
+		'command': [
+			{
+				// FOR command
+				pattern: /((?:^|[&(])[ \t]*)for(?: ?\/[a-z?](?:[ :](?:"[^"]*"|\S+))?)* \S+ in \([^)]+\) do/im,
+				lookbehind: true,
+				inside: {
+					'keyword': /^for\b|\b(?:in|do)\b/i,
+					'string': string,
+					'parameter': parameter,
+					'variable': variable,
+					'number': number,
+					'punctuation': /[()',]/
+				}
+			},
+			{
+				// IF command
+				pattern: /((?:^|[&(])[ \t]*)if(?: ?\/[a-z?](?:[ :](?:"[^"]*"|\S+))?)* (?:not )?(?:cmdextversion \d+|defined \w+|errorlevel \d+|exist \S+|(?:"[^"]*"|\S+)?(?:==| (?:equ|neq|lss|leq|gtr|geq) )(?:"[^"]*"|\S+))/im,
+				lookbehind: true,
+				inside: {
+					'keyword': /^if\b|\b(?:not|cmdextversion|defined|errorlevel|exist)\b/i,
+					'string': string,
+					'parameter': parameter,
+					'variable': variable,
+					'number': number,
+					'operator': /\^|==|\b(?:equ|neq|lss|leq|gtr|geq)\b/i
+				}
+			},
+			{
+				// ELSE command
+				pattern: /((?:^|[&()])[ \t]*)else\b/im,
+				lookbehind: true,
+				inside: {
+					'keyword': /^else\b/i
+				}
+			},
+			{
+				// SET command
+				pattern: /((?:^|[&(])[ \t]*)set(?: ?\/[a-z](?:[ :](?:"[^"]*"|\S+))?)* (?:[^^&)\r\n]|\^(?:\r\n|[\s\S]))*/im,
+				lookbehind: true,
+				inside: {
+					'keyword': /^set\b/i,
+					'string': string,
+					'parameter': parameter,
+					'variable': [
+						variable,
+						/\w+(?=(?:[*\/%+\-&^|]|<<|>>)?=)/
+					],
+					'number': number,
+					'operator': /[*\/%+\-&^|]=?|<<=?|>>=?|[!~_=]/,
+					'punctuation': /[()',]/
+				}
+			},
+			{
+				// Other commands
+				pattern: /((?:^|[&(])[ \t]*@?)\w+\b(?:[^^&)\r\n]|\^(?:\r\n|[\s\S]))*/im,
+				lookbehind: true,
+				inside: {
+					'keyword': /^\w+\b/i,
+					'string': string,
+					'parameter': parameter,
+					'label': {
+						pattern: /(^\s*):\S+/m,
+						lookbehind: true,
+						alias: 'property'
+					},
+					'variable': variable,
+					'number': number,
+					'operator': /\^/
+				}
+			}
+		],
+		'operator': /[&@]/,
+		'punctuation': /[()']/
+	};
+}(Prism));