Further simplify argument procesing, fix -abs negative offsets.

1 files changed, 23 insertions, 2 deletions

diff --git a/xdeadzone.rst b/xdeadzone.rst
index ea80766..f0476e1 100644
--- a/xdeadzone.rst
+++ b/xdeadzone.rst
@@ -20,7 +20,7 @@ keep the mouse pointer out of the dead zone, on mismatched multihead displays.
 SYNOPSIS
 ========
 
-xdeadzone [**-nw** | **-ne** | **-sw** | **-se** | **-abs**] *geometry*
+xdeadzone <[**-i** **-b** | **-w** ]> [**-nw** | **-ne** | **-sw** | **-se** | **-abs**] *geometry*
 
 xdeadzone **--help** | **--version**
 
@@ -52,12 +52,30 @@ environments, and works properly with at least: KDE (Plasma 5), XFCE
 OPTIONS
 =======
 
+Optional arguments
+------------------
+
 --help
   Print built-in help message and exit.
 
 --version
   Print the application name and version number, and exit.
 
+**-i**
+  Make window invisible. This is the default.
+
+**-b**
+  Make window visible, display as a black rectangle.
+
+**-w**
+  Make window visible, display as a white rectangle.
+
+
+Modes
+-----
+
+One mode argument is required.
+
 **-nw**
   Place window at northwest (top left) corner of display.
 
@@ -73,9 +91,12 @@ OPTIONS
 **-abs**
   Place window at the coordinates given by **geometry**.
 
+Required argument
+-----------------
+
 **geometry**
   This is a standard X11 geometry specification. Its format is
-  <*width*>x<*height*> for all modes other than **--abs**. For **--abs**,
+  <*width*>x<*height*> for all modes other than **-abs**. For **-abs**,
   it's <*width*>x<*height*>[*+-*]<*xpos*>[*+-*]<*ypos*>.
   Negative xpos and ypos will be
   treated as offsets from the right/bottom of the display.