alias expansion fix in case statements

CWRU/CWRU.chlog

@@ -9905,3 +9905,23 @@ execute_cmd.c
 	  we're going to call shell_execve right away anyway, so we won't be
 	  around to remove the FIFOs. From a report from
 	  Michael Felt <aixtools@gmail.com>
+
+				   3/22
+				   ----
+parse.y
+	- alias_expand_token: slight tweak to check for alias expansion: perform
+	  expansion unconditionally if PST_ALEXPNEXT is set, and disable it
+	  in case statement pattern lists if the previous token indicates a
+	  command name is acceptable.
+	  From a report by Oguz <oguzismailuysal@gmail.com>
+
+config-bot.h
+	- HAVE_MKDTEMP: fix typo
+
+				   3/25
+				   ----
+lib/readline/terminal.c
+	- look in terminfo for key sequences for page up (kP) and page down
+	  (kN) and bind them to history-search-{backward,forward},
+	  respectively. From a patch from Xose Vazquez Perez
+	  <xose.vazquez@gmail.com>

config-bot.h

@@ -99,7 +99,7 @@
 #endif
 
 #if !HAVE_MKDTEMP
-#  undef USE_MKDTMP
+#  undef USE_MKDTEMP
 #endif
 
 /* If the shell is called by this name, it will become restricted. */

doc/bash.1

@@ -1140,10 +1140,11 @@ quotes (see
 .B PARAMETERS
 below).
 .PP
-Words of the form \fB$\fP\(aq\fIstring\fP\(aq are treated specially.  The
-word expands to \fIstring\fP, with backslash-escaped characters replaced
-as specified by the ANSI C standard.  Backslash escape sequences, if
-present, are decoded as follows:
+Character sequences of the form \fB$\fP\(aq\fIstring\fP\(aq are treated
+as a special variant of single quotes.
+The sequence expands to \fIstring\fP, with backslash-escaped characters
+in \fIstring\fP replaced as specified by the ANSI C standard.
+Backslash escape sequences, if present, are decoded as follows:
 .RS
 .PD 0
 .TP

doc/bashref.texi

@@ -475,10 +475,11 @@ when in double quotes (@pxref{Shell Parameter Expansion}).
 @subsubsection ANSI-C Quoting
 @cindex quoting, ANSI
 
-Words of the form $'@var{string}' are treated specially.  The
-word expands to @var{string}, with backslash-escaped characters replaced
-as specified by the ANSI C standard.  Backslash escape sequences, if
-present, are decoded as follows:
+Character sequences of the form $'@var{string}' are treated as a special
+kind of single quotes.
+The sequence expands to @var{string}, with backslash-escaped characters
+in @var{string} replaced as specified by the ANSI C standard.
+Backslash escape sequences, if present, are decoded as follows:
 
 @table @code
 @item \a

lib/readline/terminal.c

@@ -177,6 +177,10 @@ static char *_rl_term_kD;
 /* Insert key */
 static char *_rl_term_kI;
 
+/* Page up and page down keys */
+static char *_rl_term_kP;
+static char *_rl_term_kN;
+
 /* Cursor control */
 static char *_rl_term_vs;	/* very visible */
 static char *_rl_term_ve;	/* normal */
@@ -415,6 +419,8 @@ static const struct _tc_string tc_strings[] =
   { "kD", &_rl_term_kD },	/* delete */
   { "kH", &_rl_term_kH },	/* home down ?? */
   { "kI", &_rl_term_kI },	/* insert */
+  { "kN", &_rl_term_kN },	/* page down */
+  { "kN", &_rl_term_kP },	/* page up */
   { "kd", &_rl_term_kd },
   { "ke", &_rl_term_ke },	/* end keypad mode */
   { "kh", &_rl_term_kh },	/* home */
@@ -478,6 +484,7 @@ _rl_init_terminal_io (const char *terminal_name)
   _rl_term_goto = _rl_term_pc = _rl_term_ip = (char *)NULL;
   _rl_term_ks = _rl_term_ke =_rl_term_vs = _rl_term_ve = (char *)NULL;
   _rl_term_kh = _rl_term_kH = _rl_term_at7 = _rl_term_kI = (char *)NULL;
+  _rl_term_kN = _rl_term_kP = (char *)NULL;
   _rl_term_so = _rl_term_se = (char *)NULL;
 #if defined(HACK_TERMCAP_MOTION)
   _rl_term_forward_char = (char *)NULL;
@@ -540,6 +547,7 @@ _rl_init_terminal_io (const char *terminal_name)
       _rl_term_ku = _rl_term_kd = _rl_term_kl = _rl_term_kr = (char *)NULL;
       _rl_term_kh = _rl_term_kH = _rl_term_kI = _rl_term_kD = (char *)NULL;
       _rl_term_ks = _rl_term_ke = _rl_term_at7 = (char *)NULL;
+      _rl_term_kN = _rl_term_kP = (char *)NULL;
       _rl_term_mm = _rl_term_mo = (char *)NULL;
       _rl_term_ve = _rl_term_vs = (char *)NULL;
       _rl_term_forward_char = (char *)NULL;
@@ -629,6 +637,9 @@ bind_termcap_arrow_keys (Keymap map)
   rl_bind_keyseq_if_unbound (_rl_term_kD, rl_delete);
   rl_bind_keyseq_if_unbound (_rl_term_kI, rl_overwrite_mode);	/* Insert */
 
+  rl_bind_keyseq_if_unbound (_rl_term_kN, rl_history_search_forward);	/* Page Down */
+  rl_bind_keyseq_if_unbound (_rl_term_kP, rl_history_search_backward);	/* Page Up */
+
   _rl_keymap = xkeymap;
 }
 

parse.y

@@ -2975,8 +2975,12 @@ alias_expand_token (tokstr)
   char *expanded;
   alias_t *ap;
 
+#if 0
   if (((parser_state & PST_ALEXPNEXT) || command_token_position (last_read_token)) &&
 	(parser_state & PST_CASEPAT) == 0)
+#else
+  if ((parser_state & PST_ALEXPNEXT) || assignment_acceptable (last_read_token))
+#endif
     {
       ap = find_alias (tokstr);