Removed CMARK_NODE_REFERENCE_DEF from API.

There's no reason to store these empty nodes in the API.
The references have already been resolved.

7 files changed, 5 insertions, 19 deletions

diff --git a/api_test/main.c b/api_test/main.c
index 996ada7..25521d0 100644
--- a/api_test/main.c
+++ b/api_test/main.c
@@ -23,7 +23,6 @@ static const cmark_node_type node_types[] = {
 	CMARK_NODE_PARAGRAPH,
 	CMARK_NODE_HEADER,
 	CMARK_NODE_HRULE,
-	CMARK_NODE_REFERENCE_DEF,
 	CMARK_NODE_TEXT,
 	CMARK_NODE_SOFTBREAK,
 	CMARK_NODE_LINEBREAK,
@@ -425,8 +424,7 @@ hierarchy(test_batch_runner *runner)
 		(1 << CMARK_NODE_HTML) |
 		(1 << CMARK_NODE_PARAGRAPH) |
 		(1 << CMARK_NODE_HEADER) |
-		(1 << CMARK_NODE_HRULE) |
-		(1 << CMARK_NODE_REFERENCE_DEF);
+		(1 << CMARK_NODE_HRULE);
 	int all_inlines =
 		(1 << CMARK_NODE_TEXT) |
 		(1 << CMARK_NODE_SOFTBREAK) |
@@ -447,7 +445,6 @@ hierarchy(test_batch_runner *runner)
 	test_content(runner, CMARK_NODE_PARAGRAPH,     all_inlines);
 	test_content(runner, CMARK_NODE_HEADER,        all_inlines);
 	test_content(runner, CMARK_NODE_HRULE,         0);
-	test_content(runner, CMARK_NODE_REFERENCE_DEF, 0);
 	test_content(runner, CMARK_NODE_TEXT,	       0);
 	test_content(runner, CMARK_NODE_SOFTBREAK,     0);
 	test_content(runner, CMARK_NODE_LINEBREAK,     0);
diff --git a/man/man3/cmark.3 b/man/man3/cmark.3
index d2b0cd3..5d04380 100644
--- a/man/man3/cmark.3
+++ b/man/man3/cmark.3
@@ -43,10 +43,9 @@ typedef enum {
 	CMARK_NODE_PARAGRAPH,
 	CMARK_NODE_HEADER,
 	CMARK_NODE_HRULE,
-	CMARK_NODE_REFERENCE_DEF,
 
 	CMARK_NODE_FIRST_BLOCK = CMARK_NODE_DOCUMENT,
-	CMARK_NODE_LAST_BLOCK  = CMARK_NODE_REFERENCE_DEF,
+	CMARK_NODE_LAST_BLOCK  = CMARK_NODE_HRULE,
 
 	/* Inline */
 	CMARK_NODE_TEXT,
diff --git a/src/blocks.c b/src/blocks.c
index ebef88b..8ca10b9 100644
--- a/src/blocks.c
+++ b/src/blocks.c
@@ -201,7 +201,8 @@ static void finalize(cmark_parser *parser, cmark_node* b, int line_number)
 				strbuf_drop(&b->string_content, pos);
 			}
 			if (is_blank(&b->string_content, 0)) {
-				b->type = NODE_REFERENCE_DEF;
+				// remove blank node (former reference def)
+				cmark_node_free(b);
 			}
 			break;
 
diff --git a/src/cmark.h b/src/cmark.h
index d77749c..12d0c01 100644
--- a/src/cmark.h
+++ b/src/cmark.h
@@ -47,10 +47,9 @@ typedef enum {
 	CMARK_NODE_PARAGRAPH,
 	CMARK_NODE_HEADER,
 	CMARK_NODE_HRULE,
-	CMARK_NODE_REFERENCE_DEF,
 
 	CMARK_NODE_FIRST_BLOCK = CMARK_NODE_DOCUMENT,
-	CMARK_NODE_LAST_BLOCK  = CMARK_NODE_REFERENCE_DEF,
+	CMARK_NODE_LAST_BLOCK  = CMARK_NODE_HRULE,
 
 	/* Inline */
 	CMARK_NODE_TEXT,
@@ -329,7 +328,6 @@ int cmark_walk(cmark_node *root, cmark_node_handler handler, void *state);
   #define NODE_PARAGRAPH            CMARK_NODE_PARAGRAPH
   #define NODE_HEADER		    CMARK_NODE_HEADER
   #define NODE_HRULE                CMARK_NODE_HRULE
-  #define NODE_REFERENCE_DEF        CMARK_NODE_REFERENCE_DEF
   #define NODE_TEXT                 CMARK_NODE_TEXT
   #define NODE_SOFTBREAK            CMARK_NODE_SOFTBREAK
   #define NODE_LINEBREAK            CMARK_NODE_LINEBREAK
diff --git a/src/html.c b/src/html.c
index e6ae63e..12d4659 100644
--- a/src/html.c
+++ b/src/html.c
@@ -163,9 +163,6 @@ S_render_node(cmark_node *node, int entering, void *vstate)
 		strbuf_puts(html, "<hr />\n");
 		break;
 
-	case CMARK_NODE_REFERENCE_DEF:
-		break;
-
 	case CMARK_NODE_PARAGRAPH:
 		parent = cmark_node_parent(node);
 		grandparent = cmark_node_parent(parent);
diff --git a/src/node.c b/src/node.c
index 980229e..38f1913 100644
--- a/src/node.c
+++ b/src/node.c
@@ -102,7 +102,6 @@ S_type_string(cmark_node *node)
 	case CMARK_NODE_PARAGRAPH:     return "PARAGRAPH";
 	case CMARK_NODE_HEADER:	       return "HEADER";
 	case CMARK_NODE_HRULE:         return "HRULE";
-	case CMARK_NODE_REFERENCE_DEF: return "REFERENCE_DEF";
 	case CMARK_NODE_TEXT:          return "TEXT";
 	case CMARK_NODE_SOFTBREAK:     return "SOFTBREAK";
 	case CMARK_NODE_LINEBREAK:     return "LINEBREAK";
@@ -774,7 +773,6 @@ int S_is_leaf_node(cmark_node *current_node)
 	case CMARK_NODE_HTML:
 	case CMARK_NODE_HRULE:
 	case CMARK_NODE_CODE_BLOCK:
-	case CMARK_NODE_REFERENCE_DEF:
 	case CMARK_NODE_TEXT:
 	case CMARK_NODE_SOFTBREAK:
 	case CMARK_NODE_LINEBREAK:
diff --git a/src/print.c b/src/print.c
index d2dfe8c..9384a0b 100644
--- a/src/print.c
+++ b/src/print.c
@@ -88,10 +88,6 @@ static void render_nodes(strbuf* buffer, cmark_node* node, int indent)
 			print_str(buffer, node->string_content.ptr, -1);
 			strbuf_putc(buffer, '\n');
 			break;
-		case NODE_REFERENCE_DEF:
-			// skip
-			// strbuf_printf(buffer, "reference_def\n");
-			break;
 		case NODE_TEXT:
 			strbuf_printf(buffer, "text ");
 			print_str(buffer, node->as.literal.data, node->as.literal.len);