0029228: Coding Rules - define rule for avoiding header inclusion list pollution

diff --git a/dox/dev_guides/contribution/coding_rules.md b/dox/dev_guides/contribution/coding_rules.md
index 6c76bb8f1ef4e3fdb8141ef599ef7dcd8dfdccd9..234558b0838e4b61aadbc03aa6c1e1f6dea73f75 100644 (file)
--- a/dox/dev_guides/contribution/coding_rules.md
+++ b/dox/dev_guides/contribution/coding_rules.md
@@ -479,6 +479,8 @@ Inclusion of class header on top verifies consistency of the header (e.g. that h
 
 An exception to the rule is ordering system headers generating a macros declaration conflicts (like "windows.h" or "X11/Xlib.h") - these headers should be placed in the way solving the conflict.
 
+The source or header file should include only minimal set of headers necessary for compilation, without duplicates (considering nested includes).
+
 ~~~~~{.cpp}
 // the header file of implemented class
 #include <PackageName_ClassName.hxx>