commit bash-20170915 snapshot

lib/readline/doc/hsuser.texi

@@ -255,7 +255,9 @@ fix errors in previous commands quickly.
 
 @ifset BashFeatures
 History expansion is performed immediately after a complete line
-is read, before the shell breaks it into words.
+is read, before the shell breaks it into words, and is performed
+on each line individually without taking quoting on previous lines into
+account.
 @end ifset
 
 History expansion takes place in two parts.  The first is to determine

lib/sh/strtrans.c

@@ -230,8 +230,6 @@ ansic_quote (str, flags, rlen)
   *r++ = '$';
   *r++ = '\'';
 
-  s = str;
-
   for (s = str; c = *s; s++)
     {
       b = l = 1;		/* 1 == add backslash; 0 == no backslash */
@@ -305,11 +303,9 @@ ansic_wshouldquote (string)
 {
   const wchar_t *wcs;
   wchar_t wcc;
-
   wchar_t *wcstr = NULL;
   size_t slen;
 
-
   slen = mbstowcs (wcstr, string, 0);
 
   if (slen == (size_t)-1)