Update manual.

NEWS

@@ -79,6 +79,7 @@ v0.5 (xxxx-xx-xx)
 - Message list will automatically scroll down to the most recent message.
   - Feature will disable when the list is scrolled by user.
   - To re-enable, scroll to the bottom of the list.
+- Message list can be now filtered.
 
 v0.4.1 (2018-12-30)
 -------------------

manual/tracy.tex

@@ -1553,7 +1553,14 @@ Disabling display of some events is especially recommended when the profiler per
 
 In this window you can see all the messages that were sent by the client application, as described in section~\ref{messagelog}. The window is split into three columns: \emph{time}, \emph{thread} and \emph{message}. Hovering the \faMousePointer{} mouse cursor over a message will highlight it on the timeline view. Clicking the \LMB{} left mouse button on a message will center the timeline view on the selected message.
 
-Message list can be filtered by the originating thread in the \emph{\faRandom{} Visible threads} drop-down.
+In a live capture, the message list will automatically scroll down to display the most recent message. This behavior can be disabled by manually scrolling the message list up. When the view is scrolled down to display the last message, the auto-scrolling feature will be enabled again.
+
+The message list can be filtered in the following ways:
+
+\begin{itemize}
+\item By the originating thread in the \emph{\faRandom{} Visible threads} drop-down.
+\item By matching the message text to the expression in the \emph{Filter messages} entry field. Multiple filter expressions can be comma-separated (e.g. 'warn, info' will match messages containing strings 'warn' \emph{or} 'info'). Matches can be excluded by preceding the term with a minus character (e.g. '-debug' will hide all messages containing string 'debug').
+\end{itemize}
 
 \subsection{Statistics window}
 \label{statistics}