patterns: test for empty terms, reject them

1 files changed, 1 insertions, 1 deletions

diff --git a/apt-pkg/cachefilter-patterns.h b/apt-pkg/cachefilter-patterns.h
index e79702af8..4eeb68594 100644
--- a/apt-pkg/cachefilter-patterns.h
+++ b/apt-pkg/cachefilter-patterns.h
@@ -92,9 +92,9 @@ struct PatternTreeParser
    /// There may not be anything before or after the pattern, except for
    /// whitespace.
    std::unique_ptr<Node> parseTop();
+   std::unique_ptr<Node> parse(); // public for test cases only
 
    private:
-   std::unique_ptr<Node> parse();
    std::unique_ptr<Node> parseOr();
    std::unique_ptr<Node> parseAnd();
    std::unique_ptr<Node> parseUnary();