Miscellaneous spelling and typo fixes in the documentation.

Closes #14866.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@73085 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/doxygen/overviews/internationalization.h

@@ -17,7 +17,7 @@ more than just translating its text messages to another message - date, time
 and currency formats need changing too, some languages are written left to
 right and others right to left, character encoding may differ and many other
 things may need changing too - it is a necessary first step. wxWidgets provides
-facilities for message translation with it's wxLocale class and is itself fully
+facilities for message translation with its wxLocale class and is itself fully
 translated into several languages. Please consult wxWidgets home page for the
 most up-to-date translations - and if you translate it into one of the
 languages not done yet, your translations would be gratefully accepted for

interface/wx/dcgraph.h

@@ -36,7 +36,7 @@ public:
     wxGCDC( const wxPrinterDC& printerDC );
 
     /**
-       Construct a wxGCDC from an existing grtaphics context.
+       Construct a wxGCDC from an existing graphics context.
     */
     wxGCDC(wxGraphicsContext* context);
 

interface/wx/filepicker.h

@@ -304,8 +304,8 @@ public:
     void SetInitialDirectory(const wxString& dir);
 
     /**
-        Sets the absolute path of  (the default converter uses current locale's
-        charset)the currently selected directory.
+        Sets the absolute path of the currently selected directory (the default converter uses current locale's
+        charset).
         This must be a valid directory if @c wxDIRP_DIR_MUST_EXIST style was given.
     */
     void SetPath(const wxString& dirname);

interface/wx/process.h

@@ -96,7 +96,7 @@ public:
 
     /**
         Detaches this event handler from the parent specified in the constructor
-        (see wxEvtHandler::Unlink() for a similar but not identic function).
+        (see wxEvtHandler::Unlink() for a similar but not identical function).
     
         Normally, a wxProcess object is deleted by its parent when it receives the
         notification about the process termination. 

interface/wx/string.h

@@ -1795,7 +1795,7 @@ public:
     you can do:
     @code
         if (wxStringCheck<wxIsdigit>(myString))
-            ... // the entire string contains oly digits!
+            ... // the entire string contains only digits!
         else
             ... // at least one character of myString is not a digit
     @endcode