Allow for dots in Markup tag names, but not in HTML tags included in Textile. Fixes #888

Author: Golmote

components/prism-markup.js

@@ -4,7 +4,7 @@ Prism.languages.markup = {
 	'doctype': /<!DOCTYPE[\w\W]+?>/,
 	'cdata': /<!\[CDATA\[[\w\W]*?]]>/i,
 	'tag': {
-		pattern: /<\/?(?!\d)[^\s>\/=.$<]+(?:\s+[^\s>\/=]+(?:=(?:("|')(?:\\\1|\\?(?!\1)[\w\W])*\1|[^\s'">=]+))?)*\s*\/?>/i,
+		pattern: /<\/?(?!\d)[^\s>\/=$<]+(?:\s+[^\s>\/=]+(?:=(?:("|')(?:\\\1|\\?(?!\1)[\w\W])*\1|[^\s'">=]+))?)*\s*\/?>/i,
 		inside: {
 			'tag': {
 				pattern: /^<\/?[^\s>\/]+/i,

components/prism-markup.min.js

@@ -236,6 +236,9 @@
 		'mark': Prism.util.clone(Prism.languages.textile['phrase'].inside['mark'])
 	};
 
+	// Only allow alpha-numeric HTML tags, not XML tags
+	Prism.languages.textile.tag.pattern = /<\/?(?!\d)[a-z0-9]+(?:\s+[^\s>\/=]+(?:=(?:("|')(?:\\\1|\\?(?!\1)[\w\W])*\1|[^\s'">=]+))?)*\s*\/?>/i;
+
 	// Allow some nesting
 	Prism.languages.textile['phrase'].inside['inline'].inside['bold'].inside = nestedPatterns;
 	Prism.languages.textile['phrase'].inside['inline'].inside['italic'].inside = nestedPatterns;

components/prism-textile.js

@@ -525,7 +525,7 @@ Prism.languages.markup = {
 	'doctype': /<!DOCTYPE[\w\W]+?>/,
 	'cdata': /<!\[CDATA\[[\w\W]*?]]>/i,
 	'tag': {
-		pattern: /<\/?(?!\d)[^\s>\/=.$<]+(?:\s+[^\s>\/=]+(?:=(?:("|')(?:\\\1|\\?(?!\1)[\w\W])*\1|[^\s'">=]+))?)*\s*\/?>/i,
+		pattern: /<\/?(?!\d)[^\s>\/=$<]+(?:\s+[^\s>\/=]+(?:=(?:("|')(?:\\\1|\\?(?!\1)[\w\W])*\1|[^\s'">=]+))?)*\s*\/?>/i,
 		inside: {
 			'tag': {
 				pattern: /^<\/?[^\s>\/]+/i,

components/prism-textile.min.js

@@ -0,0 +1,18 @@
+<android.support.v7.widget.CardView>
+
+----------------------------------------------------
+
+[
+	["tag", [
+		["tag", [
+			["punctuation", "<"],
+			"android.support.v7.widget.CardView"
+		]],
+		["punctuation", ">"]
+	]]
+]
+
+----------------------------------------------------
+
+Checks for tag names containing dots.
+See #888 for details.