Retain inner } braces, useful for templates

When div{{{title}}} is mapped it will become <div>{{title}}</div>

sparkup

@@ -869,7 +869,7 @@ class Token:
 
         # Try looking for text
         text = None
-        for text in re.findall('\{([^\}]*)\}', self.str):
+        for text in re.findall('\{(.*?)\}(?!\})', self.str):
             self.str = self.str.replace("{" + text + "}", "")
         if text is not None:
             self.text = text

sparkup-unittest.py

@@ -69,7 +69,7 @@ class SparkupTest:
             },
         'Multiplier test 2': {
             'input': 'ul > li.item-$*3',
-            'output': '<ul>\n    <li class="item-1">$1</li>\n    <li class="item-2">$2</li>\n    <li class="item-3">$3</li>\n</ul>$0' 
+            'output': '<ul>\n    <li class="item-1">$1</li>\n    <li class="item-2">$2</li>\n    <li class="item-3">$3</li>\n</ul>$0'
             },
         'Multiplier test 3': {
             'input': 'ul > li.item-$*3 > a',
@@ -99,6 +99,10 @@ class SparkupTest:
             'input': 'p [attrib=text.com]',
             'output': '<p attrib="text.com">$1</p>$0'
             },
+        'Nested curly braces test': {
+            'input': 'p{{{ title }}}',
+            'output': '<p>{{ title }}</p>$0'
+            },
         # Add: text test, broken test, multi-attribute tests, indentation test, start and end comments test
         }
     def run(self):

vim/ftplugin/html/sparkup.py

@@ -869,7 +869,7 @@ def _init_element(self):
 
         # Try looking for text
         text = None
-        for text in re.findall('\{([^\}]*)\}', self.str):
+        for text in re.findall('\{(.*?)\}(?!\})', self.str):
             self.str = self.str.replace("{" + text + "}", "")
         if text is not None:
             self.text = text