diff -Naur --exclude Makefile --exclude info wfdb-10.5.11/doc/wpg-src/wpg0.tex wfdb-10.5.12/doc/wpg-src/wpg0.tex
--- wfdb-10.5.11/doc/wpg-src/wpg0.tex	2012-04-09 13:07:46.000000000 -0400
+++ wfdb-10.5.12/doc/wpg-src/wpg0.tex	2012-04-25 08:45:16.000000000 -0400
@@ -3862,6 +3862,7 @@
 
 @c @group
 @node     findsig, counter conversion, setbasetime, miscellaneous functions
+@unnumberedsubsec findsig
 @findex findsig (10.4.12)
 @cindex signal name
 @cindex signal number
@@ -9048,6 +9049,13 @@
 
 @unnumberedsec WFDB 10.5
 
+@unnumberedsubsec Changes in version 10.5.12 (25 April 2012)
+
+When called with a NULL argument, getinfo() sometimes behaves differently in
+WFDB library version 10.5.11 than it does in previous versions.  This release
+restores the previous behavior.  Thanks to Benjamin Moody for reporting this
+issue.
+
 @unnumberedsubsec Changes in version 10.5.11 (6 April 2012)
 
 This release of the WFDB library introduces support for @file{.info} files.
diff -Naur --exclude Makefile --exclude info wfdb-10.5.11/install-wave32 wfdb-10.5.12/install-wave32
--- wfdb-10.5.11/install-wave32	2010-06-01 10:14:24.000000000 -0400
+++ wfdb-10.5.12/install-wave32	2012-04-25 08:19:17.000000000 -0400
@@ -1,6 +1,6 @@
 #! /bin/sh
 # file: install-wave32		G. Moody	7 October 2008
-#				Last revised:   1 June 2010 for Fedora 12
+#				Last revised:   25 April 2012
 # Build and install WAVE on 64-bit Linux
 #
 # *** Fedora 12 users: if this script fails, see the note at the end! ***
@@ -109,7 +109,7 @@
 #     commands:
 
 make clean
-./configure -m32
+./configure -m32 $*
 cd lib
 make install
 
diff -Naur --exclude Makefile --exclude info wfdb-10.5.11/lib/signal.c wfdb-10.5.12/lib/signal.c
--- wfdb-10.5.11/lib/signal.c	2012-04-06 14:49:14.000000000 -0400
+++ wfdb-10.5.12/lib/signal.c	2012-04-24 16:20:19.000000000 -0400
@@ -1,5 +1,5 @@
 /* file: signal.c	G. Moody	13 April 1989
-			Last revised:    6 April 2012		wfdblib 10.5.11
+			Last revised:   24 April 2012		wfdblib 10.5.12
 WFDB library functions for signals
 
 _______________________________________________________________________________
@@ -3043,8 +3043,11 @@
     static int i;
     WFDB_FILE *ifile;
 
+    if (record)
+	wfdb_freeinfo();
+
     if (pinfo == NULL) {	/* info for record has not yet been read */
-	if (record == NULL) {
+	if (record == NULL && (record = wfdb_getirec()) == NULL) {
 	    wfdb_error("getinfo: caller did not specify record name\n");
 	    return (NULL);
 	}
diff -Naur --exclude Makefile --exclude info wfdb-10.5.11/lib/wfdb.h wfdb-10.5.12/lib/wfdb.h
--- wfdb-10.5.11/lib/wfdb.h	2012-04-09 13:08:35.000000000 -0400
+++ wfdb-10.5.12/lib/wfdb.h	2012-04-25 08:19:35.000000000 -0400
@@ -32,7 +32,7 @@
 /* WFDB library version. */
 #define WFDB_MAJOR   10
 #define WFDB_MINOR   5
-#define WFDB_RELEASE 11
+#define WFDB_RELEASE 12
 #define WFDB_NETFILES 1	/* if 1, library includes code for HTTP, FTP clients */
 #define WFDB_NETFILES_LIBCURL 1
 
diff -Naur --exclude Makefile --exclude info wfdb-10.5.11/lib/wfdbio.c wfdb-10.5.12/lib/wfdbio.c
--- wfdb-10.5.11/lib/wfdbio.c	2012-04-06 12:29:39.000000000 -0400
+++ wfdb-10.5.12/lib/wfdbio.c	2012-04-24 16:18:31.000000000 -0400
@@ -1,5 +1,5 @@
 /* file: wfdbio.c	G. Moody	18 November 1988
-                        Last revised:	  6 April 2012       wfdblib 10.5.11
+                        Last revised:	 24 April 2012       wfdblib 10.5.12
 Low-level I/O functions for the WFDB library
 
 _______________________________________________________________________________
@@ -66,6 +66,7 @@
  wfdb_checkname		(checks record and annotator names for validity)
  wfdb_striphea [10.4.5] (removes trailing '.hea' from a record name, if present)
  wfdb_setirec [9.7]	(saves current record name)
+ wfdb_getirec [10.5.12]	(gets current record name)
 
 (Numbers in brackets in the lists above indicate the first version of the WFDB
 library that included the corresponding function.  Functions not so marked
@@ -1084,6 +1085,11 @@
     }
 }
 
+char *wfdb_getirec(void)
+{
+    return (*irec ? irec: NULL);
+}
+
 /* Remove trailing '.hea' from a record name, if present. */
 void wfdb_striphea(char *p)
 {
diff -Naur --exclude Makefile --exclude info wfdb-10.5.11/lib/wfdblib.h wfdb-10.5.12/lib/wfdblib.h
--- wfdb-10.5.11/lib/wfdblib.h	2012-04-06 15:43:23.000000000 -0400
+++ wfdb-10.5.12/lib/wfdblib.h	2012-04-25 08:19:35.000000000 -0400
@@ -1,5 +1,5 @@
 /* file: wfdblib.h	G. Moody	13 April 1989
-                        Last revised:	 6 April 2012       wfdblib 10.5.11
+                        Last revised:	24 April 2012       wfdblib 10.5.12
 External definitions for WFDB library private functions
 
 _______________________________________________________________________________
@@ -96,9 +96,9 @@
    variable is not set.  This value is edited by the configuration script
    (../configure), which also edits this block of comments to match.
 
-   If WFDB_NETFILES support is disabled, the string ". /home/george/Desktop/wfdb-10.5.11/build/database" is
+   If WFDB_NETFILES support is disabled, the string ". /usr/local/database" is
    usually sufficient for a default WFDB path, thus restricting the search for
-   WFDB files to the current directory ("."), followed by /home/george/Desktop/wfdb-10.5.11/build/database).
+   WFDB files to the current directory ("."), followed by /usr/local/database).
    
    If WFDB_NETFILES support is enabled, the first setting below adds the
    web-accessible PhysioBank databases to the default path; you may wish to
@@ -107,9 +107,9 @@
 */
 
 #ifndef WFDB_NETFILES
-# define DEFWFDB	". /home/george/Desktop/wfdb-10.5.11/build/database"
+# define DEFWFDB	". /usr/local/database"
 #else
-# define DEFWFDB ". /home/george/Desktop/wfdb-10.5.11/build/database http://physionet.org/physiobank/database"
+# define DEFWFDB ". /usr/local/database http://physionet.org/physiobank/database"
 #endif
 
 /* Mac OS 9 and earlier, only:  The value of DEFWFDB given below specifies
@@ -323,6 +323,7 @@
 extern WFDB_FILE *wfdb_fopen(char *fname, const char *mode);
 extern int wfdb_fprintf(WFDB_FILE *fp, const char *format, ...);
 extern void wfdb_setirec(const char *record_name);
+extern char *wfdb_getirec(void);
 
 #if WFDB_NETFILES
 extern void wfdb_clearerr(WFDB_FILE *fp);
diff -Naur --exclude Makefile --exclude info wfdb-10.5.11/lib/wfdblib.h0 wfdb-10.5.12/lib/wfdblib.h0
--- wfdb-10.5.11/lib/wfdblib.h0	2012-04-06 14:22:38.000000000 -0400
+++ wfdb-10.5.12/lib/wfdblib.h0	2012-04-24 16:23:20.000000000 -0400
@@ -1,5 +1,5 @@
 /* file: wfdblib.h	G. Moody	13 April 1989
-                        Last revised:	 6 April 2012       wfdblib 10.5.11
+                        Last revised:	24 April 2012       wfdblib 10.5.12
 External definitions for WFDB library private functions
 
 _______________________________________________________________________________
@@ -323,6 +323,7 @@
 extern WFDB_FILE *wfdb_fopen(char *fname, const char *mode);
 extern int wfdb_fprintf(WFDB_FILE *fp, const char *format, ...);
 extern void wfdb_setirec(const char *record_name);
+extern char *wfdb_getirec(void);
 
 #if WFDB_NETFILES
 extern void wfdb_clearerr(WFDB_FILE *fp);
diff -Naur --exclude Makefile --exclude info wfdb-10.5.11/NEWS wfdb-10.5.12/NEWS
--- wfdb-10.5.11/NEWS	2012-04-09 13:32:01.760522095 -0400
+++ wfdb-10.5.12/NEWS	2012-04-25 08:54:40.548019711 -0400
@@ -1,3 +1,10 @@
+10.5.12 (24 April 2012):
+
+         When called with a NULL argument, getinfo() sometimes behaves
+         differently in WFDB library version 10.5.11 than it does in previous
+         versions.  This release restores the previous behavior.  Thanks to
+         Benjamin Moody for reporting this issue.
+
 10.5.11 (6 April 2012):
 	This release of the WFDB library introduces support for '.info' files.
 	These are files containing 'info' strings in the same format as those