it's replaced by it is, 'll by will

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_2_BRANCH@7285 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/latex/wx/function.tex

@@ -2257,7 +2257,7 @@ Example:
     }
     else
     {
-        // no window has the focus or it's not a text control
+        // no window has the focus or it is not a text control
     }
 \end{verbatim}
 
@@ -2337,7 +2337,7 @@ files and loading user interface elements from resources.
 
 \normalbox{Please note that this use of the word `resource' is different from that used when talking
 about initialisation file resource reading and writing, using such functions
-as wxWriteResource and wxGetResource. It's just an unfortunate clash of terminology.}
+as wxWriteResource and wxGetResource. It is just an unfortunate clash of terminology.}
 
 \helponly{For an overview of the wxWindows resource mechanism, see \helpref{the wxWindows resource system}{resourceformats}.}
 
@@ -2573,7 +2573,7 @@ meaningless.
 
 \func{void}{wxLogVerbose}{\param{const char*}{ formatString}, \param{...}{}}
 
-For verbose output. Normally, it's suppressed, but
+For verbose output. Normally, it is suppressed, but
 might be activated if the user wishes to know more details about the program
 progress (another, but possibly confusing name for the same function is {\bf wxLogInfo}).