Add support for parsing variables

This adds a reader flag and serdi option for extending a syntax with support
for SPARQL-like variables, for storing things like patterns or simple queries.

1 files changed, 2 insertions, 1 deletions

diff --git a/src/node.c b/src/node.c
index 14f6490b..4c76ed9b 100644
--- a/src/node.c
+++ b/src/node.c
@@ -165,7 +165,8 @@ serd_node_zero_pad(SerdNode* node)
 SerdNode*
 serd_new_simple_node(SerdNodeType type, const SerdStringView str)
 {
-  if (type != SERD_BLANK && type != SERD_CURIE && type != SERD_URI) {
+  if (type != SERD_BLANK && type != SERD_CURIE && type != SERD_URI &&
+      type != SERD_VARIABLE) {
     return NULL;
   }