diff -r ffc8da83fdc2 -r 5c662d2e3f72 doc/standards.rst
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+++ b/doc/standards.rst	Fri Apr 05 13:11:30 2024 +0200
@@ -1,5 +1,8 @@
+Standards
+=========
+
 IEC 61131-3
-===========
+-----------
 
     IEC-61131 is a normative document provided by the standards organization IEC
     (International Electrotechnical Commission) and describing a standard for
@@ -14,18 +17,18 @@
     http://www.iec.eu
         
 PLCopen TC6
-===========
-   
+-----------
+
     PLCopen is a vendor- and product-independent worldwide association defining
     international standards for various topics related to control programming.
     For this purpose, PLCopen has 6 technical committees.
-   
-   
+
+
     The goal of the sixth committee (TC6) is to define a standard file format, 
     based on XML, for exchanging programmables controllers programmed using 
     IEC 61131-3 languages. Beremiz uses this file format for saving the PLC
     programs of projects.
-   
-   
+
+
     http://www.plcopen.org