(Fsubstitute_command_keys): Compute list of shadowing maps

for describe_map_tree.  Pass 1 for MENTION_SHADOWS.

1 files changed, 10 insertions, 1 deletions

diff --git a/src/doc.c b/src/doc.c
index f306caed36a..0d1ab394647 100644
--- a/src/doc.c
+++ b/src/doc.c
@@ -882,6 +882,9 @@ thus, \\=\\=\\=\\= puts \\=\\= into the output, and \\=\\=\\=\\[ puts \\=\\[ int
         {
           struct buffer *oldbuf;
           int start_idx;
+          /* This is for computing the SHADOWS arg for describe_map_tree.  */
+          Lisp_Object active_maps = Fcurrent_active_maps (Qnil);
+          Lisp_Object earlier_maps;
 
           changed = 1;
           strp += 2;            /* skip \{ or \< */
@@ -932,7 +935,13 @@ thus, \\=\\=\\=\\= puts \\=\\= into the output, and \\=\\=\\=\\[ puts \\=\\[ int
           else if (start[-1] == '<')
             keymap = tem;
           else
-            describe_map_tree (tem, 1, Qnil, Qnil, (char *)0, 1, 0, 0);
+            {
+              /* Get the list of active keymaps that precede this one.
+                 If this one's not active, get nil.  */
+              earlier_maps = Fcdr (Fmemq (tem, Freverse (active_maps)));
+              describe_map_tree (tem, 1, Fnreverse (earlier_maps),
+                                 Qnil, (char *)0, 1, 0, 0, 1);
+            }
           tem = Fbuffer_string ();
           Ferase_buffer ();
           set_buffer_internal (oldbuf);