add -P option

doc/documentation.html

@@ -200,6 +200,14 @@
 				Allow encoder to generate non-Subset files.  The resulting FLAC file may not be streamable, so you should only use this option in combination with custom encoding options meant for archival.  File decoders will still be able play (and seek in) such files.
 			</TD>
 		</TR>
+		<TR>
+			<TD NOWRAP ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+				-P #
+			</TD>
+			<TD>
+				  Tell the encoder to write a <TT>PADDING</TT> metadata block of the given length (in bytes) after the <TT>STREAMINFO</TT> block.  <TT>-P 0</TT> implies no <TT>PADDING</TT> block, which is the default.  This is useful if you plan to tag the file later with an <TT>APPLICATION</TT> block; instead of having to rewrite the entire file later just to insert your block, you can write directly over the <TT>PADDING</TT> block.
+			</TD>
+		</TR>
 		<TR>
 			<TD NOWRAP ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
 				-b #

man/flac.sgml

@@ -133,6 +133,21 @@
 		</listitem>
 	      </varlistentry>
 
+	      <varlistentry>
+		<term><option>-P</option> <replaceable>bytes</replaceable></term>
+
+		<listitem>
+		  <para>Tell the encoder to write a PADDING metadata
+		    block of the given length (in bytes) after the
+		    STREAMINFO block.  -P 0 implies no PADDING block,
+		    which is the default.  This is useful if you plan
+		    to tag the file later with an APPLICATION block;
+		    instead of having to rewrite the entire file later
+		    just to insert your block, you can write directly
+		    over the PADDING block.</para>
+		</listitem>
+	      </varlistentry>
+
 	      <varlistentry>
 		<term><option>-b</option> <replaceable>blocksize</replaceable></term>