From 6b78d0602d46520ed1bd0cfbef120de3b06ca826 Mon Sep 17 00:00:00 2001
From: Emilio Jesus Gallego Arias <e+git@x80.org>
Date: Thu, 23 Feb 2017 13:32:46 +0100
Subject: [safe-string] plugins/extraction

No functional change.
---
 plugins/extraction/common.ml | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

(limited to 'plugins/extraction/common.ml')

diff --git a/plugins/extraction/common.ml b/plugins/extraction/common.ml
index de97ba97c..0a591e786 100644
--- a/plugins/extraction/common.ml
+++ b/plugins/extraction/common.ml
@@ -91,10 +91,7 @@ let begins_with_CoqXX s =
 
 let unquote s =
   if lang () != Scheme then s
-  else
-    let s = String.copy s in
-    for i=0 to String.length s - 1 do if s.[i] == '\'' then s.[i] <- '~' done;
-    s
+  else String.map (fun c -> if c == '\'' then '~' else c) s
 
 let rec qualify delim = function
   | [] -> assert false
-- 
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