1.1 --- a/api/basic_api.yml2	Tue Feb 05 22:10:26 2019 +0100
     1.2 +++ b/api/basic_api.yml2	Tue Feb 05 22:20:23 2019 +0100
     1.3 @@ -1,7 +1,8 @@
     1.4 -// p≡p API version 2.0
     1.5 -// Basic API version 0.1
     1.6 +// p≡p Basic API
     1.7  
     1.8  // Copyleft (c) 2019, p≡p foundation
     1.9 +// this file is under GNU General Public License 3.0
    1.10 +// see LICENSE.txt
    1.11  
    1.12  // written by Volker Birk
    1.13  

     2.1 --- a/api/gen_c_header.ysl2	Tue Feb 05 22:10:26 2019 +0100
     2.2 +++ b/api/gen_c_header.ysl2	Tue Feb 05 22:20:23 2019 +0100
     2.3 @@ -1,7 +1,8 @@
     2.4 -// p≡p API version 2.0
     2.5 -// C header generator
     2.6 +// p≡p API header generator
     2.7  
     2.8  // Copyleft (c) 2019, p≡p foundation
     2.9 +// this file is under GNU General Public License 3.0
    2.10 +// see LICENSE.txt
    2.11  
    2.12  // written by Volker Birk
    2.13  
    2.14 @@ -25,6 +26,7 @@
    2.15  
    2.16      // «$copyleft»
    2.17  
    2.18 +
    2.19      #pragma once
    2.20  
    2.21      #ifdef __cplusplus

     3.1 --- a/api/keymanagement_api.yml2	Tue Feb 05 22:10:26 2019 +0100
     3.2 +++ b/api/keymanagement_api.yml2	Tue Feb 05 22:20:23 2019 +0100
     3.3 @@ -1,7 +1,8 @@
     3.4 -// p≡p API version 2.0
     3.5 -// Keymanagement API version 0.1
     3.6 +// p≡p Keymanagement API version 0.1
     3.7  
     3.8  // Copyleft (c) 2019, p≡p foundation
     3.9 +// this file is under GNU General Public License 3.0
    3.10 +// see LICENSE.txt
    3.11  
    3.12  // written by Volker Birk
    3.13  

     4.1 --- a/api/message_api.yml2	Tue Feb 05 22:10:26 2019 +0100
     4.2 +++ b/api/message_api.yml2	Tue Feb 05 22:20:23 2019 +0100
     4.3 @@ -1,7 +1,8 @@
     4.4 -// p≡p API version 2.0
     4.5 -// Message API version 0.1
     4.6 +// p≡p Message API
     4.7  
     4.8  // Copyleft (c) 2019, p≡p foundation
     4.9 +// this file is under GNU General Public License 3.0
    4.10 +// see LICENSE.txt
    4.11  
    4.12  // written by Volker Birk
    4.13  

     5.1 --- a/api/pEp.yml2	Tue Feb 05 22:10:26 2019 +0100
     5.2 +++ b/api/pEp.yml2	Tue Feb 05 22:20:23 2019 +0100
     5.3 @@ -1,6 +1,8 @@
     5.4 -// p≡p API version 2.0
     5.5 +// p≡p API Y language
     5.6  
     5.7  // Copyleft (c) 2019, p≡p foundation
     5.8 +// this file is under GNU General Public License 3.0
     5.9 +// see LICENSE.txt
    5.10  
    5.11  // written by Volker Birk
    5.12  

     6.1 --- a/api/to_c.ysl2	Tue Feb 05 22:10:26 2019 +0100
     6.2 +++ b/api/to_c.ysl2	Tue Feb 05 22:20:23 2019 +0100
     6.3 @@ -1,7 +1,8 @@
     6.4 -// p≡p API version 2.0
     6.5 -// C data types
     6.6 +// p≡p API C data types mapping
     6.7  
     6.8  // Copyleft (c) 2019, p≡p foundation
     6.9 +// this file is under GNU General Public License 3.0
    6.10 +// see LICENSE.txt
    6.11  
    6.12  // written by Volker Birk
    6.13  

     7.1 --- a/api/transport_api.yml2	Tue Feb 05 22:10:26 2019 +0100
     7.2 +++ b/api/transport_api.yml2	Tue Feb 05 22:20:23 2019 +0100
     7.3 @@ -1,7 +1,8 @@
     7.4 -// p≡p API version 2.0
     7.5 -// Transport API version 0.1
     7.6 +// p≡p Transport API
     7.7  
     7.8  // Copyleft (c) 2019, p≡p foundation
     7.9 +// this file is under GNU General Public License 3.0
    7.10 +// see LICENSE.txt
    7.11  
    7.12  // written by Volker Birk
    7.13