Fix to not add content to template in SVG

Related-to: syntax-tree/hast-util-from-parse5#15.
Related-to: syntax-tree/hast-util-from-parse5#16.

Author: wooorm

lib/create-h.js

@@ -147,7 +147,11 @@ export function createH(schema, defaultTagName, caseSensitive) {
       addChild(node.children, child)
     }
 
-    if (node.type === 'element' && node.tagName === 'template') {
+    if (
+      node.type === 'element' &&
+      node.tagName === 'template' &&
+      schema.space === 'html'
+    ) {
       node.content = {type: 'root', children: node.children}
       node.children = []
     }

test/core.js

@@ -980,6 +980,20 @@ test('<template>', async function (t) {
       }
     )
   })
+
+  await t.test(
+    'should not move children of a `template` in SVG into `content`',
+    async function () {
+      assert.deepEqual(s('template', s('circle')), {
+        type: 'element',
+        tagName: 'template',
+        properties: {},
+        children: [
+          {type: 'element', tagName: 'circle', properties: {}, children: []}
+        ]
+      })
+    }
+  )
 })
 
 test('svg', async function (t) {