From 19f2ad19b08eab5c65748594bae12dee7484313b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Patrick=20L=C3=BChne?= <patrick-github@luehne.de>
Date: Tue, 20 Jun 2017 03:01:20 +0200
Subject: [PATCH] =?UTF-8?q?Fixed=20incorrect=20language=20detection=20with?=
 =?UTF-8?q?=20legacy=20=E2=80=9Cin-package=E2=80=9D=20directives.?=
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---
 include/plasp/LanguageDetection.h | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/include/plasp/LanguageDetection.h b/include/plasp/LanguageDetection.h
index f257368..c3b78b0 100644
--- a/include/plasp/LanguageDetection.h
+++ b/include/plasp/LanguageDetection.h
@@ -32,8 +32,10 @@ Language::Type detectLanguage(tokenize::Tokenizer<tokenize::CaseInsensitiveToken
 		tokenizer.skipWhiteSpace();
 	}
 
-	// PDDL contains sections starting with "(define"
-	if (tokenizer.testAndSkip<std::string>("(") && tokenizer.testAndSkip<std::string>("define"))
+	// PDDL contains sections starting with “(define”
+	// Some legacy domains contain “in-package” sections, however
+	if (tokenizer.testAndSkip<std::string>("(")
+		&& (tokenizer.testAndSkip<std::string>("define") || tokenizer.testAndSkip<std::string>("in-package")))
 	{
 		tokenizer.seek(std::ios::beg);
 		return Language::Type::PDDL;