merged AI doc, some new pages

libs/main/text/pistring.h

@@ -35,7 +35,7 @@
 class PIStringList;
 class PIRegularExpression;
 
-//! \ingroup Text
+//! \~\ingroup Text
 //! \~\brief
 //! \~english String class.
 //! \~russian Класс строки.
@@ -54,7 +54,7 @@ public:
 	typedef const PIChar & const_reference;
 	typedef size_t size_type;
 
-	//! \~english Contructs an empty string.
+	//! \~english Constructs an empty string.
 	//! \~russian Создает пустую строку.
 	PIString() {}
 
@@ -106,7 +106,7 @@ public:
 	PIString & operator+=(llong)  = delete;
 	PIString & operator+=(ullong) = delete;
 
-	//! \~english Contructs a copy of string.
+	//! \~english Constructs a copy of string.
 	//! \~russian Создает копию строки.
 	PIString(const PIString & o) {
 		d        = o.d;