From 5d26829704b2602ede45183cba54ab219e453c0e Mon Sep 17 00:00:00 2001
From: Guillaume Melquiond <guillaume.melquiond@inria.fr>
Date: Sat, 2 Jan 2016 17:57:06 +0100
Subject: Use streams rather than strings to handle bullet suggestions.

---
 printing/printer.ml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'printing/printer.ml')

diff --git a/printing/printer.ml b/printing/printer.ml
index 7c031ea53..b6dda93c2 100644
--- a/printing/printer.ml
+++ b/printing/printer.ml
@@ -639,8 +639,8 @@ let pr_open_subgoals ?(proof=Proof_global.give_me_the_proof ()) () =
 	  | _ , _, _ ->
             let end_cmd =
               str "This subproof is complete, but there are some unfocused goals." ++
-	      (match Proof_global.Bullet.suggest p
-              with None  -> str"" | Some s -> fnl () ++ str s) ++
+              (let s = Proof_global.Bullet.suggest p in
+               if Pp.is_empty s then s else fnl () ++ s) ++
               fnl ()
             in
 	    pr_subgoals ~pr_first:false (Some end_cmd) bsigma seeds shelf [] bgoals
-- 
cgit v1.2.3