Index: manual/appendix/file_formats.tex
===================================================================
--- manual/appendix/file_formats.tex	(Revision 30105)
+++ manual/appendix/file_formats.tex	(Arbeitskopie)
@@ -209,6 +209,9 @@
     Synthetic music Mobile Application Format
         & \fname{.mmf} 
         & PCM/ADPCM only \\
+    GBS Nintendo Game Boy
+        & \fname{.gbs}
+        & Progress bar and seek use subtracks instead of seconds.\\
     MOD
         & \fname{.mod} 
         & \\
@@ -252,6 +255,7 @@
     Wavpack                                     & x & x & x \\
     Atari Sound Format                          & x &   &   \\
     Synthetic music Mobile Application Format   & x & x &   \\
+    GBS Nintendo Game Boy                       & x &   &   \\
     MOD                                         & x &   &   \\
     NES Sound Format                            & x &   &   \\
     Atari SAP                                   & x &   &   \\
@@ -259,8 +263,9 @@
     SPC700                                      & x &   &   \\
   \end{rbtabular}
   
-  \note{The seek implementations of NES Sound Format and Sound Interface Device 
-  use subtracks instead of seconds, whereas each subtrack equals a second.}
+  \note{The seek implementations of NES Sound Format, Sound Interface Device and
+  GBS Nintendo Game Boy use subtracks instead of seconds, whereas each subtrack 
+  equals a second.}
   
   \section{\label{ref:SupportedMetadata}Supported metadata tags}
     Rockbox supports different metadata formats. In general those tag formats
@@ -281,7 +286,7 @@
       MP4               & \fname{.m4a}, \fname{.m4b}, \fname{.mp4} \\
       ASF               & \fname{.wma}, \fname{.wmv}, \fname{.asf} \\
       Codec specific    & \fname{.mmf}, \fname{.mod}, \fname{.nsf}, \fname{.nsfe},
-                          \fname{.sap}, \fname{.sid}, \fname{.spc} \\
+                          \fname{.sap}, \fname{.sid}, \fname{.spc}, \fname{.gbs} \\
       None              & \fname{.a52}, \fname{.ac3}, \fname{.adx}, \fname{.oma},
                           \fname{.aa3}, \fname{.aif}, \fname{.aiff}, \fname{.au},
                           \fname{.snd}, \fname{.shn}, \fname{.vox}, \fname{.w64},
@@ -320,11 +325,12 @@
      Replaygain             & \fname{.mpc}\\
      Title                  & \fname{.tta}, \fname{.spc}, \fname{.mmf}, \fname{.sid}, 
                               \fname{.rm}, \fname{.ra}, \fname{.rmvb}, \fname{.nsf}, 
-                              \fname{.nsfe}, \fname{.mod}, \fname{.sap} \\
+                              \fname{.nsfe}, \fname{.mod}, \fname{.sap}, \fname{.gbs} \\
      Artist                 & \fname{.tta}, \fname{.spc}, \fname{.mmf}, \fname{.sid}, 
                               \fname{.rm}, \fname{.ra}, \fname{.rmvb}, \fname{.nsf}, 
-                              \fname{.nsfe}, \fname{.sap} \\
-     Album                  & \fname{.spc}, \fname{.sid}, \fname{.nsf}, \fname{.nsfe} \\
+                              \fname{.nsfe}, \fname{.sap}, \fname{.gbs} \\
+     Album                  & \fname{.spc}, \fname{.sid}, \fname{.nsf}, \fname{.nsfe},
+                              \fname{.gbs}\\
      Genre                  & \fname{.tta}, \fname{.spc}, \fname{.sap} \\
      Disc                   & \fname{.tta} \\
      Track                  & \fname{.tta} \\