Don't break Markdown on multiple bolds on a single line.

Also highlight entire title for title lines rather than just the code.

Fixes #193. Fixes #195.

Author: alecthomas

lexers/m/markdown.go

@@ -15,8 +15,8 @@ var Markdown = internal.Register(MustNewLexer(
 	},
 	Rules{
 		"root": {
-			{`^(#)([^#].+\n)`, ByGroups(GenericHeading, Text), nil},
-			{`^(#{2,6})(.+\n)`, ByGroups(GenericSubheading, Text), nil},
+			{`^(#[^#].+\n)`, ByGroups(GenericHeading), nil},
+			{`^(#{2,6}.+\n)`, ByGroups(GenericSubheading), nil},
 			{`^(\s*)([*-] )(\[[ xX]\])( .+\n)`, ByGroups(Text, Keyword, Keyword, UsingSelf("inline")), nil},
 			{`^(\s*)([*-])(\s)(.+\n)`, ByGroups(Text, Keyword, Text, UsingSelf("inline")), nil},
 			{`^(\s*)([0-9]+\.)( .+\n)`, ByGroups(Text, Keyword, UsingSelf("inline")), nil},
@@ -35,13 +35,13 @@ var Markdown = internal.Register(MustNewLexer(
 		"inline": {
 			{`\\.`, Text, nil},
 			{`(\s)([*_][^*_]+[*_])(\W|\n)`, ByGroups(Text, GenericEmph, Text), nil},
-			{`(\s)((\*\*|__).*\3)((?=\W|\n))`, ByGroups(Text, GenericStrong, None, Text), nil},
+			{`(\s)((\*\*|__).*?)\3((?=\W|\n))`, ByGroups(Text, GenericStrong, GenericStrong, Text), nil},
 			{`(\s)(~~[^~]+~~)((?=\W|\n))`, ByGroups(Text, GenericDeleted, Text), nil},
 			{"`[^`]+`", LiteralStringBacktick, nil},
 			{`[@#][\w/:]+`, NameEntity, nil},
 			{`(!?\[)([^]]+)(\])(\()([^)]+)(\))`, ByGroups(Text, NameTag, Text, Text, NameAttribute, Text), nil},
 			{`[^\\\s]+`, Text, nil},
-			{`.`, Text, nil},
+			{`.|\n`, Text, nil},
 		},
 	},
 ))

lexers/testdata/markdown.actual

@@ -1,5 +1,7 @@
 # about
 
+Multiple **bold** on the **same line**.
+
 ## user defined function in cql
 
 ```javascript

lexers/testdata/markdown.expected

@@ -1,10 +1,12 @@
 [
-  {"type":"GenericHeading","value":"#"},
-  {"type":"Text","value":" about\n"},
-  {"type":"Error","value":"\n"},
-  {"type":"GenericSubheading","value":"##"},
-  {"type":"Text","value":" user defined function in cql\n"},
-  {"type":"Error","value":"\n"},
+  {"type":"GenericHeading","value":"# about\n"},
+  {"type":"Text","value":"\nMultiple "},
+  {"type":"GenericStrong","value":"**bold**"},
+  {"type":"Text","value":" on the "},
+  {"type":"GenericStrong","value":"**same line**"},
+  {"type":"Text","value":".\n\n"},
+  {"type":"GenericSubheading","value":"## user defined function in cql\n"},
+  {"type":"Text","value":"\n"},
   {"type":"LiteralString","value":"```javascript\n"},
   {"type":"Text","value":"  "},
   {"type":"NameOther","value":"column"},
@@ -17,7 +19,7 @@
   {"type":"Punctuation","value":")"},
   {"type":"Text","value":" \n"},
   {"type":"LiteralString","value":"```"},
-  {"type":"Error","value":"\n\n"},
+  {"type":"Text","value":"\n\n"},
   {"type":"LiteralString","value":"```cql\n"},
   {"type":"Keyword","value":"CREATE"},
   {"type":"TextWhitespace","value":" "},
@@ -132,7 +134,7 @@
   {"type":"Punctuation","value":";"},
   {"type":"TextWhitespace","value":"\n"},
   {"type":"LiteralString","value":"```"},
-  {"type":"Error","value":"\n\n"},
+  {"type":"Text","value":"\n\n"},
   {"type":"LiteralString","value":"```postgres\n"},
   {"type":"Keyword","value":"DROP"},
   {"type":"Text","value":" "},
@@ -423,5 +425,5 @@
   {"type":"Punctuation","value":";"},
   {"type":"Text","value":"\n"},
   {"type":"LiteralString","value":"```"},
-  {"type":"Error","value":"\n"}
+  {"type":"Text","value":"\n"}
 ]