From: Paul Eggert <eggert@cs.ucla.edu>
Date: Wed, 17 Aug 2016 17:15:53 +0000 (-0700)
Subject: * src/doc.c (Fsubstitute_command_keys): Clarify GC comments.
X-Git-Tag: emacs-26.0.90~1728
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=848591904dbf0b5f19cdeaf73944bf6730fac7c1;p=emacs.git

* src/doc.c (Fsubstitute_command_keys): Clarify GC comments.
---

diff --git a/src/doc.c b/src/doc.c
index 4b91831c703..6376398cc22 100644
--- a/src/doc.c
+++ b/src/doc.c
@@ -821,7 +821,8 @@ Otherwise, return a new string.  */)
 	      goto do_remap;
 	    }
 
-	  /* Take relocation of string contents into account.  */
+	  /* Fwhere_is_internal can GC, so take relocation of string
+	     contents into account.  */
 	  strp = SDATA (str) + idx;
 	  start = strp - length_byte - 1;
 
@@ -936,7 +937,8 @@ Otherwise, return a new string.  */)
 	    bufp += length_byte;
 	    nchars += length;
 
-	    /* Take relocation of string contents into account.  */
+	    /* Some of the previous code can GC, so take relocation of
+	       string contents into account.  */
 	    strp = SDATA (str) + idx;
 
 	    continue;