added wxLog::DisableTimestamp() to be used as a synonym for SetTimestamp(wxEmptyString)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@46976 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/changes.txt

@@ -71,9 +71,12 @@ Changes in behaviour which may result in compilation errors
 
 - virtual wxHtmlParser::AddText() takes wxString, not wxChar*, argument now.
 
-- Funtions that took wxChar* arguments that could by NULL in wxWidgets 2.8.
+- Functions that took wxChar* arguments that could by NULL in wxWidgets 2.8.
   are deprecated and passing NULL to them won't compile anymore, wxEmptyString
-  must be used instead.
+  must be used instead. In some cases new functions can be used too, e.g.:
+    * use wxLog::DisableTimestamp() instead of wxLog::SetTimestamp(NULL)
+    * wxUnsetEnv(var) instead of wxSetEnv(var, NULL)
+
 
 Deprecated methods and their replacements
 -----------------------------------------

docs/latex/wx/log.tex

@@ -341,16 +341,24 @@ Returns whether the repetition counting mode is enabled.
 
 \membersection{wxLog::SetTimestamp}\label{wxlogsettimestamp}
 
-\func{void}{SetTimestamp}{\param{const wxStrgin\&}{ format}}
+\func{static void}{SetTimestamp}{\param{const wxString\&}{ format}}
 
 Sets the timestamp format prepended by the default log targets to all
 messages. The string may contain any normal characters as well as \%
 prefixed format specificators, see {\it strftime()} manual for details.
-Passing a NULL value (not empty string) to this function disables message timestamping.
+Passing an empty string to this function disables message time stamping.
+
+\membersection{wxLog::DisableTimestamp}\label{wxlogdisabletimestamp}
+
+\func{void}{SetTimestamp}{\param{const wxString\&}{ format}}
+
+Disables time stamping of the log messages.
+
+\newsince{2.9}
 
 \membersection{wxLog::GetTimestamp}\label{wxloggettimestamp}
 
-\constfunc{const wxString\&}{GetTimestamp}{\void}
+\func{static const wxString\&}{GetTimestamp}{\void}
 
 Returns the current timestamp format string.
 
@@ -363,6 +371,8 @@ section for details.
 
 \membersection{wxLog::GetTraceMask}\label{wxloggettracemask}
 
+\func{static wxTraceMask}{GetTraceMask}{\void}
+
 Returns the current trace mask, see \helpref{Customization}{wxlogcustomization} section
 for details.