diff --git a/.gitignore b/.gitignore
index 4449b61..fcdcc13 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,6 +13,8 @@ build
 dist
 *.egg-info
 
+tmp/
+
 # DOC files
 DOC/dbase/pigpio.sqlite.*
 DOC/tmp
diff --git a/DOC/dbase/pigpio.sqlite b/DOC/dbase/pigpio.sqlite
index a26ab8e..ba61140 100644
Binary files a/DOC/dbase/pigpio.sqlite and b/DOC/dbase/pigpio.sqlite differ
diff --git a/pigpio.3 b/pigpio.3
index c878cbd..0871b71 100644
--- a/pigpio.3
+++ b/pigpio.3
@@ -189,6 +189,24 @@ error PI_INITIALISED.
 
 .br
 
+.br
+If you intend to rely on signals sent to your application, you should
+turn off the internal signal handling as show in this example:
+
+.EX
+int cfg = gpioCfgGetInternals();
+.br
+cfg |= PI_CFG_NOSIGHANDLER;  // (1<<10)
+.br
+gpioCfgSetInternals(cfg);
+.br
+int status = gpioInitialise();
+.br
+
+.EE
+
+.br
+
 .br
 
 .SH OVERVIEW
@@ -689,8 +707,6 @@ gpioCfgMemAlloc            Configure DMA memory allocation mode
 gpioCfgNetAddr             Configure allowed network addresses
 .br
 
-.br
-gpioCfgInternals           Configure misc. internals (DEPRECATED)
 .br
 gpioCfgGetInternals        Get internal configuration settings
 .br
@@ -3026,7 +3042,7 @@ int main(int argc, char *argv[])
 .IP "\fBint gpioWaveTxAt(void)\fP"
 .IP "" 4
 This function returns the id of the waveform currently being
-transmitted.
+transmitted using \fBgpioWaveTxSend\fP.  Chained waves are not supported.
 
 .br
 
@@ -7896,22 +7912,6 @@ numSockAddr: 0-256 (0 means all addresses allowed)
 
 .EE
 
-.IP "\fBint gpioCfgInternals(unsigned cfgWhat, unsigned cfgVal)\fP"
-.IP "" 4
-Used to tune internal settings.
-
-.br
-
-.br
-
-.EX
-cfgWhat: see source code
-.br
- cfgVal: see source code
-.br
-
-.EE
-
 .IP "\fBuint32_t gpioCfgGetInternals(void)\fP"
 .IP "" 4
 This function returns the current library internal configuration
@@ -7932,6 +7932,10 @@ cfgVal: see source code
 
 .EE
 
+.br
+
+.br
+
 .IP "\fBint gpioCustom1(unsigned arg1, unsigned arg2, char *argx, unsigned argc)\fP"
 .IP "" 4
 This function is available for user customisation.
diff --git a/pigpio.c b/pigpio.c
index 4bee29a..0ad740d 100644
--- a/pigpio.c
+++ b/pigpio.c
@@ -25,7 +25,7 @@ OTHER DEALINGS IN THE SOFTWARE.
 For more information, please refer to <http://unlicense.org/>
 */
 
-/* pigpio version 76 */
+/* pigpio version 77 */
 
 /* include ------------------------------------------------------- */
 
diff --git a/pigpio.h b/pigpio.h
index a24e074..7364b71 100644
--- a/pigpio.h
+++ b/pigpio.h
@@ -30,7 +30,7 @@ For more information, please refer to <http://unlicense.org/>
 #include <stdint.h>
 #include <pthread.h>
 
-#define PIGPIO_VERSION 7601
+#define PIGPIO_VERSION 7700
 
 /*TEXT
 
diff --git a/pigpiod_if2.3 b/pigpiod_if2.3
index f07de8d..e5c79e8 100644
--- a/pigpiod_if2.3
+++ b/pigpiod_if2.3
@@ -2829,7 +2829,7 @@ int main(int argc, char *argv[])
 .IP "\fBint wave_tx_at(int pi)\fP"
 .IP "" 4
 This function returns the id of the waveform currently being
-transmitted.
+transmitted by \fBwave_send*\fP.  Chained waves are not supported.
 
 .br
 
diff --git a/pigs.1 b/pigs.1
index 8fa4337..9b53e0e 100644
--- a/pigs.1
+++ b/pigs.1
@@ -4823,7 +4823,7 @@ $ pigs wvas 7 38400 8 2 0 0x41 0x42
 
 .br
 This command returns the id of the waveform currently
-being transmitted.  Note: chained waves are not supported.
+being transmitted.  Chained waves are not supported.
 
 .br
 Returns the waveform id or one of the following special