GNU GPL v3.0.

Closes #31.
JChristensen · Mar 21, 2018 · 3713faf · 3713faf
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diff --git a/LICENSE.md b/LICENSE.md
diff --git a/README.md b/README.md
@@ -1,9 +1,18 @@
 # Arduino Timezone Library
 https://github.com/JChristensen/Timezone  
 README file  
-Jack Christensen Mar 2012  
+Jack Christensen  
+Mar 2012  
 
-![CC BY-SA](http://mirrors.creativecommons.org/presskit/buttons/80x15/png/by-sa.png)
+## License
+Arduino Timezone Library Copyright (C) 2018 Jack Christensen GNU GPL v3.0
+
+This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License v3.0 as published by the Free Software Foundation.
+
+This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <https://www.gnu.org/licenses/gpl.html>
 
 ## Introduction
 The **Timezone** library is designed to work in conjunction with the [Arduino Time library](https://github.com/PaulStoffregen/Time), which must also be installed on your system. This documentation assumes some familiarity with the Time library.

diff --git a/examples/Change_TZ_1/Change_TZ_1.ino b/examples/Change_TZ_1/Change_TZ_1.ino
@@ -1,4 +1,7 @@
-// Timezone library example sketch.
+// Arduino Timezone Library Copyright (C) 2018 by Jack Christensen and
+// licensed under GNU GPL v3.0, https://www.gnu.org/licenses/gpl.html
+//
+// Arduino Timezone Library example sketch.
 // Demonstrates changing timezone "on the fly".
 // Uses a pushbutton switch to change between the four continental US time zones.
 // The current timezone setting is saved in EEPROM so it is remembered if

diff --git a/examples/Change_TZ_2/Change_TZ_2.ino b/examples/Change_TZ_2/Change_TZ_2.ino
@@ -1,4 +1,7 @@
-// Timezone library example sketch.
+// Arduino Timezone Library Copyright (C) 2018 by Jack Christensen and
+// licensed under GNU GPL v3.0, https://www.gnu.org/licenses/gpl.html
+//
+// Arduino Timezone Library example sketch.
 // Demonstrates changing time zones using an array of Timezone objects.
 // Uses a pushbutton switch to change between the four US continental time zones.
 // Tested with Arduino 1.8.5 and an Arduino Uno.

diff --git a/examples/Clock/Clock.ino b/examples/Clock/Clock.ino
@@ -1,13 +1,10 @@
-/*----------------------------------------------------------------------*
- * Timezone library example sketch.                                     *
- * Self-adjusting clock for one time zone.                              *
- * TimeChangeRules can be hard-coded or read from EEPROM, see comments. *
- * Jack Christensen Mar 2012                                            *
- *                                                                      *
- * CC BY-SA 4.0: This work is licensed under the Creative Commons       *
- * Attribution-ShareAlike 4.0 International License,                    *
- * https://creativecommons.org/licenses/by-sa/4.0/                      *
- *----------------------------------------------------------------------*/
+// Arduino Timezone Library Copyright (C) 2018 by Jack Christensen and
+// licensed under GNU GPL v3.0, https://www.gnu.org/licenses/gpl.html
+//
+// Arduino Timezone Library example sketch.
+// Self-adjusting clock for one time zone.
+// TimeChangeRules can be hard-coded or read from EEPROM, see comments.
+// Jack Christensen Mar 2012
 
 #include <Timezone.h>    //https://github.com/JChristensen/Timezone
 

diff --git a/examples/HardwareRTC/HardwareRTC.ino b/examples/HardwareRTC/HardwareRTC.ino
@@ -1,17 +1,14 @@
-/*----------------------------------------------------------------------*
- * Timezone library example sketch.                                     *
- * Self-adjusting clock for one time zone using an external real-time   *
- * clock, either a DS1307 or DS3231 (e.g. Chronodot).                   *
- * Assumes the RTC is set to UTC.                                       *
- * TimeChangeRules can be hard-coded or read from EEPROM, see comments. *
- * Check out the Chronodot at http://www.macetech.com/store/            *
- *                                                                      *
- * Jack Christensen Aug 2012                                            *
- *                                                                      *
- * CC BY-SA 4.0: This work is licensed under the Creative Commons       *
- * Attribution-ShareAlike 4.0 International License,                    *
- * https://creativecommons.org/licenses/by-sa/4.0/                      *
- *----------------------------------------------------------------------*/
+// Arduino Timezone Library Copyright (C) 2018 by Jack Christensen and
+// licensed under GNU GPL v3.0, https://www.gnu.org/licenses/gpl.html
+//
+// Arduino Timezone Library example sketch.
+// Self-adjusting clock for one time zone using an external real-time
+// clock, either a DS1307 or DS3231 (e.g. Chronodot).
+// Assumes the RTC is set to UTC.
+// TimeChangeRules can be hard-coded or read from EEPROM, see comments.
+// Check out the Chronodot at http://www.macetech.com/store/
+//
+// Jack Christensen Aug 2012
 
 #include <DS1307RTC.h>   // https://github.com/PaulStoffregen/DS1307RTC
 #include <Timezone.h>    // https://github.com/JChristensen/Timezone

diff --git a/examples/WorldClock/WorldClock.ino b/examples/WorldClock/WorldClock.ino
@@ -1,16 +1,13 @@
-/*----------------------------------------------------------------------*
- * Timezone library example sketch.                                     *
- * Self-adjusting clock for multiple time zones.                        *
- * Jack Christensen Mar 2012                                            *
- *                                                                      *
- * Sources for DST rule information:                                    *
- * http://www.timeanddate.com/worldclock/                               *
- * http://home.tiscali.nl/~t876506/TZworld.html                         *
- *                                                                      *
- * CC BY-SA 4.0: This work is licensed under the Creative Commons       *
- * Attribution-ShareAlike 4.0 International License,                    *
- * https://creativecommons.org/licenses/by-sa/4.0/                      *
- *----------------------------------------------------------------------*/
+// Arduino Timezone Library Copyright (C) 2018 by Jack Christensen and
+// licensed under GNU GPL v3.0, https://www.gnu.org/licenses/gpl.html
+//
+// Arduino Timezone Library example sketch.
+// Self-adjusting clock for multiple time zones.
+// Jack Christensen Mar 2012
+//
+// Sources for DST rule information:
+// http://www.timeanddate.com/worldclock/
+// http://home.tiscali.nl/~t876506/TZworld.html
 
 #include <Timezone.h>    // https://github.com/JChristensen/Timezone
 

diff --git a/examples/WriteRules/WriteRules.ino b/examples/WriteRules/WriteRules.ino
@@ -1,12 +1,9 @@
-/*----------------------------------------------------------------------*
- * Timezone library example sketch.                                     *
- * Write TimeChangeRules to EEPROM.                                     *
- * Jack Christensen Mar 2012                                            *
- *                                                                      *
- * CC BY-SA 4.0: This work is licensed under the Creative Commons       *
- * Attribution-ShareAlike 4.0 International License,                    *
- * https://creativecommons.org/licenses/by-sa/4.0/                      *
- *----------------------------------------------------------------------*/
+// Arduino Timezone Library Copyright (C) 2018 by Jack Christensen and
+// licensed under GNU GPL v3.0, https://www.gnu.org/licenses/gpl.html
+//
+// Arduino Timezone Library example sketch.
+// Write TimeChangeRules to EEPROM.
+// Jack Christensen Mar 2012
 
 #include <Timezone.h>    // https://github.com/JChristensen/Timezone
 

diff --git a/library.properties b/library.properties
@@ -1,5 +1,5 @@
 name=Timezone
-version=1.1.1
+version=1.1.2
 author=Jack Christensen <[email protected]>
 maintainer=Jack Christensen <[email protected]>
 sentence=Arduino library to facilitate time zone conversions and automatic daylight saving (summer) time adjustments.

diff --git a/src/Timezone.cpp b/src/Timezone.cpp
@@ -2,8 +2,8 @@
  * Arduino Timezone Library                                             *
  * Jack Christensen Mar 2012                                            *
  *                                                                      *
- * "Arduino Timezone Library" by Jack Christensen is licensed under     *
- * CC BY-SA 4.0, http://creativecommons.org/licenses/by-sa/4.0/         *
+ * Arduino Timezone Library Copyright (C) 2018 by Jack Christensen and  *
+ * licensed under GNU GPL v3.0, https://www.gnu.org/licenses/gpl.html   *
  *----------------------------------------------------------------------*/
 
 #include "Timezone.h"

diff --git a/src/Timezone.h b/src/Timezone.h
@@ -2,8 +2,8 @@
  * Arduino Timezone Library                                             *
  * Jack Christensen Mar 2012                                            *
  *                                                                      *
- * "Arduino Timezone Library" by Jack Christensen is licensed under     *
- * CC BY-SA 4.0, http://creativecommons.org/licenses/by-sa/4.0/         *
+ * Arduino Timezone Library Copyright (C) 2018 by Jack Christensen and  *
+ * licensed under GNU GPL v3.0, https://www.gnu.org/licenses/gpl.html   *
  *----------------------------------------------------------------------*/ 
 
 #ifndef TIMEZONE_H_INCLUDED