Allow newlines after a tag name

Closes #108

syntax/vue.vim

@@ -35,7 +35,7 @@ function! s:register_language(language, tag, ...)
     unlet! b:current_syntax
     execute 'syntax region vue_' . a:language
           \ 'keepend'
-          \ 'start=/<' . a:tag . ' \_[^>]*' . attr . '\_[^>]*>/'
+          \ 'start=/<' . a:tag . '\>\_[^>]*' . attr . '\_[^>]*>/'
           \ 'end="</' . a:tag . '>"me=s-1'
           \ 'contains=@' . a:language . ',vueSurroundingTag'
           \ 'fold'

test/test_syntax.vader

@@ -101,6 +101,18 @@ Execute:
   AssertEqual 'scssVariable', SyntaxOf('$green', 2)
   AssertEqual 'vueSurroundingTag', SyntaxAt(1, 1)
 
+
+Given vue (SCSS region with newline after tag name):
+  <style
+    lang="scss"
+  >
+  $green: #42b983
+  </style>
+
+Execute:
+  AssertEqual 'scssVariable', SyntaxOf('$green')
+  AssertEqual 'vueSurroundingTag', SyntaxAt(1, 1)
+
 #
 # Sass
 #