Index: altium_parser/pcbdoc_ascii.h
===================================================================
--- altium_parser/pcbdoc_ascii.h	(revision 35271)
+++ altium_parser/pcbdoc_ascii.h	(revision 35272)
@@ -1,17 +1,31 @@
 #include "plug_io.h"
 #include <genlist/gendlist.h>
+#include "altium_kw.h"
 
 typedef struct altium_field_s {
+	altium_kw_field_keys_t type; /* derived from ->key */
 	const char *key;
 	const char *val;
-	gdl_elem_t rec;
+	gdl_elem_t link;             /* in parent record */
 } altium_field_t;
 
 typedef struct altium_record_s {
-/*	altium_record_type_t type;*/
+	altium_kw_record_keys_t type; /* derived from ->type_s */
 	const char *type_s;
 	gdl_list_t fields;
+	gdl_elem_t link;              /* in tree records */
 } altium_record_t;
 
+typedef struct altium_block_s {
+	gdl_elem_t link;              /* in tree blocks */
+	long size;                    /* allocated size of raw */
+	char raw[1];                  /* bytes read from the file */
+} altium_block_t;
+
+typedef struct altium_tree_s {
+	gdl_list_t rec[altium_kw_record_SPHASH_MAXVAL]; /* ordered list of records per type */
+	gdl_list_t blocks;
+} altium_tree_t;
+
 int pcbdoc_ascii_test_parse(pcb_plug_io_t *ctx, pcb_plug_iot_t typ, const char *file_name, FILE *f);