Syntax: Add a separate scope to URLs (#732)

Author: deathaxe

syntaxes/Markdown.sublime-syntax

@@ -4429,9 +4429,12 @@ contexts:
     # GitHub Flavoured Markdown
     # After a valid domain, zero or more non-space non-< characters may follow
     # https://github.github.com/gfm/#autolinks-extension-
-    - match: (?:(?:https|http|ftp)(://)|www\.)[\w-]+
+    - match: (https|http|ftp)(://)(www\.)?|(www\.)
       captures:
-        1: punctuation.separator.path.markdown
+        1: markup.underline.link.protocol.markdown-gfm
+        2: markup.underline.link.protocol.markdown-gfm punctuation.separator.path.markdown
+        3: markup.underline.link.www.markdown-gfm
+        4: markup.underline.link.www.markdown-gfm
       push: autolink-inet-unquoted-content
 
   autolink-inet-angled-content:
@@ -4446,7 +4449,8 @@ contexts:
     - include: autolink-inet-common
 
   autolink-inet-unquoted-content:
-    - meta_scope: meta.link.inet.markdown markup.underline.link.markdown-gfm
+    - meta_scope: meta.link.inet.markdown
+    - meta_content_scope: markup.underline.link.markdown-gfm
     # 1. When an autolink ends in ), we scan the entire autolink for the total
     #    number of parentheses. If there is a greater number of closing parentheses
     #    than opening ones, we don't consider the last character part of the

tests/syntax_test_markdown.md

@@ -3356,8 +3356,12 @@ paragraph
 
 | table | followed by
 https://foo.bar/baz
-| <- meta.paragraph.markdown meta.link.inet.markdown markup.underline.link.markdown-gfm
-|^^^^^^^^^^^^^^^^^^ meta.paragraph.markdown meta.link.inet.markdown markup.underline.link.markdown-gfm
+| <- meta.paragraph.markdown meta.link.inet.markdown markup.underline.link.protocol.markdown-gfm
+|^^^^^^^^^^^^^^^^^^ meta.paragraph.markdown meta.link.inet.markdown
+|^^^^^^^ markup.underline.link.protocol.markdown-gfm
+|    ^^^ punctuation.separator.path.markdown
+|       ^^^^^^^^^^^ markup.underline.link.markdown-gfm
+|              ^ punctuation.separator.path.markdown
 
 | table | followed by
 # heading