From 07cbe55c722c9c1434c7a9fb4710a0a1b80320f3 Mon Sep 17 00:00:00 2001
From: Tomas Babej <tomasbabej@gmail.com>
Date: Mon, 23 May 2016 22:32:18 +0200
Subject: [PATCH] regexp: Require non-empty filter and defaults matches in the
 viewport

---
 taskwiki/regexp.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/taskwiki/regexp.py b/taskwiki/regexp.py
index 3730e0a..5eb7369 100644
--- a/taskwiki/regexp.py
+++ b/taskwiki/regexp.py
@@ -47,10 +47,10 @@ GENERIC_VIEWPORT = re.compile(
     '(?P<name>[^=\|\[\{]*)'  # Name of the viewport, all before the | sign
                              # Cannot include '[', '=', '|, and '{'
     '\|'                   # Colon
-    '(?P<filter>[^=\|]*?)'       # Filter
+    '(?P<filter>[^=\|]+?)'       # Filter
     '('                    # Optional defaults
       '\|'                   # Colon
-      '(?P<defaults>[^=\|]*?)'     # Default attrs
+      '(?P<defaults>[^=\|]+?)'     # Default attrs
     ')?'
     '\s*'                  # Any whitespace
     '(#(?P<source>[A-Z]))?' # Optional source indicator