Removed usage information from README, refer to man page

README.md

@@ -62,94 +62,7 @@ the following command:
 Usage
 -----
 
-sxiv has two modes of operation: image and thumbnail mode. The default is
+Please see the [man page](http://muennich.github.com/sxiv/sxiv.1.html) for information on how to use sxiv.
-image mode, in which only the current image is shown. In thumbnail mode a grid
-of small previews is displayed, making it easy to choose an image to open.
-
-**Command line options:**
-
-    -a           Play animations of multi-frame images
-    -b           Do not show info bar on bottom of window
-    -c           Remove all orphaned cache files from thumbnail cache and exit
-    -f           Start in fullscreen mode
-    -G GAMMA     Set image gamma to GAMMA (-32..32)
-    -g GEOMETRY  Set window position and size
-                 (see section GEOMETRY SPECIFICATIONS of X(7))
-    -i           Read file list from stdin
-    -N NAME      Set X window resource name to NAME
-    -n NUM       Start at picture NUM
-    -o           Write list of marked files to stdout when quitting
-    -q           Be quiet, disable warnings
-    -r           Search given directories recursively for images
-    -S DELAY     Enable slideshow and set slideshow delay to DELAY seconds
-    -s MODE      Set scale mode to MODE ([d]own, [f]it, [w]idth, [h]eight)
-    -t           Start in thumbnail mode
-    -v           Print version information and exit
-    -Z           Same as `-z 100'
-    -z ZOOM      Set zoom level to ZOOM percent
-
-**Key mappings:**
-
-    0-9          Prefix the next command with a number (denoted via [count])
-    q            Quit sxiv
-    Return       Switch to thumbnail mode / open selected image
-    f            Toggle fullscreen mode
-    b            Toggle visibility of info bar on bottom of window
-    Ctrl-x       Send the next key to the external key-handler
-    g            Go to first image
-    G            Go to the last image, or image number [count]
-    r            Reload image
-    D            Remove image from file list and go to next image
-    Ctrl-h,j,k,l Scroll one window width/height left/down/up/right
-    +            Zoom in
-    -            Zoom out
-    m            Mark/unmark current image
-    M            Reverse all image marks
-    Ctrl-m       Remove all image marks
-    N            Go [count] marked images forward
-    P            Go [count] marked images backward
-    {,}          Decrease/increase gamma correction by [count] steps
-    Ctrl-g       Reset gamma correction
-
-*Thumbnail mode:*
-
-    h,j,k,l      Move selection left/down/up/right [count] times (also with
-                 arrow keys)
-    R            Reload all thumbnails
-
-*Image mode:*
-
-    n,Space      Go [count] images forward
-    p,Backspace  Go [count] images backward
-    [,]          Go [count] * 10 images backward/forward
-    Ctrl-n,p     Go [count] frames of a multi-frame image forward/backward
-    Ctrl-Space   Play/stop animations of multi-frame images
-    h,j,k,l      Scroll image 1/5 of window width/height or [count] pixels
-                 left/down/up/right (also with arrow keys)
-    H,J,K,L      Scroll to left/bottom/top/right image edge
-    =            Set zoom level to 100%, or [count]%
-    w            Set zoom level to 100%, but fit large images into window
-    W            Fit image to window
-    e            Fit image to window width
-    E            Fit image to window height
-    <,>          Rotate image (counter-)clockwise by 90 degrees
-    ?            Rotate image by 180 degrees
-    |,_          Flip image horizontally/vertically
-    a            Toggle anti-aliasing
-    A            Toggle visibility of alpha-channel, i.e. transparency
-    s            Toggle slideshow or set delay to [count] seconds
-
-
-**Mouse button mappings:**
-
-*Image mode:*
-
-    Button1      Go to the next image
-    Button3      Go to the previous image
-    Button2      Drag image with mouse while keeping it pressed
-    Wheel        Scroll image up/down
-    Shift+Wheel  Scroll image left/right
-    Ctrl+Wheel   Zoom in/out
 
 
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