From 31fc297744ae6d55fac482c17233f29345f88699 Mon Sep 17 00:00:00 2001
From: Mark Hansen <markhansen@google.com>
Date: Tue, 27 Sep 2022 18:07:30 +1000
Subject: [PATCH] Remove unused articulation_pos attribute

This is never read, and seems to never have been, even going back to the
initial Graphviz git commit 17 years ago.

Towards https://gitlab.com/graphviz/graphviz.gitlab.io/-/issues/75
---
 lib/circogen/circular.c | 3 ---
 lib/circogen/circular.h | 1 -
 2 files changed, 4 deletions(-)

diff --git a/lib/circogen/circular.c b/lib/circogen/circular.c
index 6bd22a254..95a858446 100644
--- a/lib/circogen/circular.c
+++ b/lib/circogen/circular.c
@@ -24,7 +24,6 @@
 static void initGraphAttrs(Agraph_t * g, circ_state * state)
 {
     static Agraph_t *rootg;
-    static attrsym_t *N_artpos;
     static attrsym_t *N_root;
     static attrsym_t *G_mindist;
     static char *rootname;
@@ -36,14 +35,12 @@ static void initGraphAttrs(Agraph_t * g, circ_state * state)
 	state->blockCount = 0;
 	rootg = rg;
 	G_mindist = agattr(rootg,AGRAPH, "mindist", NULL);
-	N_artpos = agattr(rootg,AGNODE, "articulation_pos", NULL);
 	N_root = agattr(rootg,AGNODE, "root", NULL);
     }
     rootname = agget(rootg, "root");
     initBlocklist(&state->bl);
     state->orderCount = 1;
     state->min_dist = late_double(rootg, G_mindist, MINDIST, 0.0);
-    state->N_artpos = N_artpos;
     state->N_root = N_root;
     state->rootname = rootname;
 }
diff --git a/lib/circogen/circular.h b/lib/circogen/circular.h
index 1778c27f0..73043f7e5 100644
--- a/lib/circogen/circular.h
+++ b/lib/circogen/circular.h
@@ -17,7 +17,6 @@ typedef struct {
     blocklist_t bl;
     int orderCount;
     int blockCount;
-    attrsym_t *N_artpos;
     attrsym_t *N_root;
     char *rootname;
     double min_dist;
-- 
2.40.0