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extend an overview bullet point

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1 parent 1433ce7 commit 746dace13db50c6bd7a87eeff200b7ab8677fd3d @pmjones pmjones committed
Showing with 3 additions and 2 deletions.
  1. +3 −2 proposed/
5 proposed/
@@ -20,8 +20,9 @@ interpreted as described in [RFC 2119][].
- Files MUST use only UTF-8 without BOM for PHP code.
-- Files SHOULD either declare symbols or cause side-effects, but SHOULD NOT do
- both.
+- Files SHOULD *either* declare symbols (classes, functions, constants, etc.)
+ *or* cause side-effects (e.g. generate output, change .ini settings, etc.)
+ but SHOULD NOT do both.
- Namespaces and classes MUST follow [PSR-0][].

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