From dc3aeed6ce84736100d713cac8f40e46d16d1289 Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Fri, 29 Mar 2024 06:48:16 -0400
Subject: Support reading lone lists in lax mode

This allows parsing documents like "(42) ."
---
 NEWS                              | 3 ++-
 src/n3.c                          | 2 +-
 test/extra/lax/manifest.ttl       | 7 +++++++
 test/extra/lax/test-lone-list.nt  | 2 ++
 test/extra/lax/test-lone-list.ttl | 1 +
 5 files changed, 13 insertions(+), 2 deletions(-)
 create mode 100644 test/extra/lax/test-lone-list.nt
 create mode 100644 test/extra/lax/test-lone-list.ttl

diff --git a/NEWS b/NEWS
index 35754c88..8ca038a5 100644
--- a/NEWS
+++ b/NEWS
@@ -2,8 +2,9 @@ serd (0.32.3) unstable; urgency=medium
 
   * Fix library current_version on MacOS
   * Fix parsing NQuads lines with no space before the final dot
+  * Support reading lone lists in lax mode
 
- -- David Robillard <d@drobilla.net>  Thu, 14 Mar 2024 16:43:17 +0000
+ -- David Robillard <d@drobilla.net>  Fri, 29 Mar 2024 10:48:45 +0000
 
 serd (0.32.2) stable; urgency=medium
 
diff --git a/src/n3.c b/src/n3.c
index 662ea3f9..da3862db 100644
--- a/src/n3.c
+++ b/src/n3.c
@@ -1670,7 +1670,7 @@ read_n3_statement(SerdReader* const reader)
         return SERD_SUCCESS;
       }
 
-      if (ate_dot) {
+      if (ate_dot && (reader->strict || (s_type != '('))) {
         return r_err(
           reader, SERD_ERR_BAD_SYNTAX, "unexpected end of statement\n");
       }
diff --git a/test/extra/lax/manifest.ttl b/test/extra/lax/manifest.ttl
index e2930a81..a04a74f6 100644
--- a/test/extra/lax/manifest.ttl
+++ b/test/extra/lax/manifest.ttl
@@ -9,6 +9,7 @@
 		<#test-bad-string>
 		<#test-bad-uri>
 		<#test-bad-utf8>
+		<#test-lone-list>
 	) .
 
 <#test-bad-string>
@@ -28,3 +29,9 @@
 	mf:action <test-bad-utf8.ttl> ;
 	mf:name "test-bad-utf8" ;
 	mf:result <test-bad-utf8.nt> .
+
+<#test-lone-list>
+	a rdft:TestTurtleNegativeSyntax ;
+	mf:name "test-lone-list" ;
+	mf:action <test-lone-list.ttl> ;
+	mf:result <test-lone-list.nt> .
diff --git a/test/extra/lax/test-lone-list.nt b/test/extra/lax/test-lone-list.nt
new file mode 100644
index 00000000..400c2aba
--- /dev/null
+++ b/test/extra/lax/test-lone-list.nt
@@ -0,0 +1,2 @@
+_:b1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#first> "42"^^<http://www.w3.org/2001/XMLSchema#integer> .
+_:b1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#rest> <http://www.w3.org/1999/02/22-rdf-syntax-ns#nil> .
diff --git a/test/extra/lax/test-lone-list.ttl b/test/extra/lax/test-lone-list.ttl
new file mode 100644
index 00000000..e9c593b8
--- /dev/null
+++ b/test/extra/lax/test-lone-list.ttl
@@ -0,0 +1 @@
+(42) .
-- 
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