Bug - Tag Recognition

- Lowered the precedence of tag detection so that dates and durations are
  recognized first.
- Modified the allowable tokens for a tag to be almost anything.

src/A3.cpp

@@ -712,13 +712,6 @@ const A3 A3::tokenize (const A3& input) const
           found_something_after_sequence = true;
       }
 
-      else if (is_tag (n, s))
-      {
-        output.push_back (Arg (s, Arg::cat_tag));
-        if (found_sequence)
-          found_something_after_sequence = true;
-      }
-
       // Must be higher than number.
       // Must be higher than operator.
       // Note that Nibbler::getDate does not read durations.
@@ -738,6 +731,13 @@ const A3 A3::tokenize (const A3& input) const
           found_something_after_sequence = true;
       }
 
+      else if (is_tag (n, s))
+      {
+        output.push_back (Arg (s, Arg::cat_tag));
+        if (found_sequence)
+          found_something_after_sequence = true;
+      }
+
       else if (n.getOneOf (operators, s))
       {
         output.push_back (Arg (s, Arg::cat_op));
@@ -1662,10 +1662,8 @@ bool A3::is_tag (Nibbler& n, std::string& result)
 
   if (n.skipAllOneOf ("+-"))
   {
-    n.skipAllOneOf ("@#");
-
     std::string name;
-    if (n.getName (name) &&
+    if (n.getUntilOneOf (" \t()+-*/", name) &&
         name.length ())
     {
       std::string::size_type end = n.cursor ();