From 1d7f1fb5722fbb1851c83554939e6ede5a0aa7cc Mon Sep 17 00:00:00 2001
From: Chris Hanson <org/chris-hanson/cph>
Date: Sat, 22 Apr 2017 21:18:04 -0700
Subject: [PATCH] Export mutable/immutable predicates.

---
 src/runtime/runtime.pkg | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/runtime/runtime.pkg b/src/runtime/runtime.pkg
index eb2fc8777..27bf50883 100644
--- a/src/runtime/runtime.pkg
+++ b/src/runtime/runtime.pkg
@@ -969,8 +969,10 @@ USA.
 	  grapheme-cluster-breaks
 	  grapheme-cluster-length
 	  grapheme-cluster-slice
+	  immutable-string?
 	  list->string
 	  make-string
+	  mutable-string?
 	  string
 	  string*
 	  string->list
@@ -1008,6 +1010,7 @@ USA.
 	  string-hash
 	  string-hash-ci
 	  string-head
+	  string-immutable?
 	  string-in-nfc?
 	  string-in-nfd?
 	  string-joiner
@@ -1017,6 +1020,7 @@ USA.
 	  string-map
 	  string-match-backward
 	  string-match-forward
+	  string-mutable?
 	  string-null?
 	  string-pad-left
 	  string-pad-right
-- 
2.25.1