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+About this document
+============================
+
+..
+    TODO: take content from https://hg.beremiz.org/beremiz_docs/
+
+Who Should Read This Document
+----------------------------------------------
+If you are new to the Beremiz IDE and want to get started with it or upgrading from
+previous versions then You should read this document.
+In order to properly understand this document, it is necessary to understand at least basics of the
+PLC and HMIs.
+
+Terminology
+--------------------------------------------------
+Throughout this manual, various phrases are used. Here is a description of some of them.
+
+PLC
+^^^^
+This means programmable logical controllers
+
+HMI
+^^^^
+This means Human Machine Interface
+
+Beremiz IDE
+^^^^^^^^^^^^
+This is the programming software for PLC which is Beremiz IDE
+