Index: trunk/src/libcschem/abstract.h
===================================================================
--- trunk/src/libcschem/abstract.h	(revision 3201)
+++ trunk/src/libcschem/abstract.h	(revision 3202)
@@ -36,7 +36,7 @@
 #include "libcschem/attrib.h"
 #include "TODO.h"
 
-typedef struct csch_abstract_s {
+struct csch_abstract_s {
 	htip_t id2obj;     /* id -> object pointer (primary storage) */
 	htul_t uid2id;     /* UID -> object id (cache) */
 	htsp_t nets;       /* netname -> csch_anet_t */
@@ -48,7 +48,7 @@
 	struct {
 		long wirenet, comp, port;
 	} ucnt;
-} csch_abstract_t;
+};
 
 typedef enum csch_atype_e {
 	CSCH_ATYPE_INVALID = 0,
Index: trunk/src/libcschem/common_types.h
===================================================================
--- trunk/src/libcschem/common_types.h	(revision 3201)
+++ trunk/src/libcschem/common_types.h	(revision 3202)
@@ -18,6 +18,9 @@
 typedef struct csch_sheet_s csch_sheet_t;
 typedef struct csch_cgrp_s csch_cgrp_t;
 
+/* from abstract.h */
+typedef struct csch_abstract_s csch_abstract_t;
+
 /* project/view */
 typedef struct csch_project_s csch_project_t;
 typedef struct csch_view_s csch_view_t;
Index: trunk/src/libcschem/project.c
===================================================================
--- trunk/src/libcschem/project.c	(revision 3201)
+++ trunk/src/libcschem/project.c	(revision 3202)
@@ -51,6 +51,11 @@
 {
 	int n;
 
+	if (prj->abst != NULL) {
+		csch_abstract_uninit(prj->abst);
+		free(prj->abst);
+	}
+
 	for(n = 0; n < vtp0_len(&prj->sheets); n++)
 		csch_sheet_free(prj->sheets.array[n]);
 	for(n = 0; n < vts0_len(&prj->symlibs); n++)
Index: trunk/src/libcschem/project.h
===================================================================
--- trunk/src/libcschem/project.h	(revision 3201)
+++ trunk/src/libcschem/project.h	(revision 3202)
@@ -49,8 +49,12 @@
 	vtp0_t sheets;
 	vts0_t symlibs;
 	vtp0_t views;   /* of (csch_view_t *) */
-	int curr;       /* index of currently active view */
-	unsigned dummy:1; /* 1 when there's no real project but a dummy one is allocated */
+
+
+	/* cached */
+	csch_abstract_t *abst;  /* compiled for display attributes */
+	int curr;               /* index of currently active view */
+	unsigned dummy:1;       /* 1 when there's no real project but a dummy one is allocated */
 };
 
 csch_project_t *csch_project_alloc(void);