Make hashtags at the end of bolded text render properly

Summary: Fixes T10096. The `**` was being parsed as part of the hashtag, so `**#asdf**` interpreted `#asdf**` as a hashtag.

Test Plan: Unit test; bolded stuff with hashy contents.

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T10096

Differential Revision: https://secure.phabricator.com/D15006

src/applications/project/remarkup/ProjectRemarkupRule.php

@@ -32,7 +32,7 @@ final class ProjectRemarkupRule extends PhabricatorObjectRemarkupRule {
     // controlling and these names should parse correctly.
 
     // These characters may never appear anywhere in a hashtag.
-    $never = '\s?!,:;{}#\\(\\)"\'';
+    $never = '\s?!,:;{}#\\(\\)"\'\\*/~';
 
     // These characters may not appear at the edge of the string.
     $never_edge = '.';

src/applications/project/remarkup/__tests__/ProjectRemarkupRuleTestCase.php

@@ -125,6 +125,16 @@ final class ProjectRemarkupRuleTestCase extends PhabricatorTestCase {
         ),
       ),
 
+      '**#orbital**' => array(
+        'embed' => array(),
+        'ref' => array(
+          array(
+            'offset' => 3,
+            'id' => 'orbital',
+          ),
+        ),
+      ),
+
     );
 
     foreach ($cases as $input => $expect) {