More trailing whilespace removal

Documentation/NXGraphicsSubsystem.html

@@ -326,7 +326,7 @@
 <p>
   NX is organized into 6 (and perhaps someday 7 or 8) logical modules.
   These logical modules also correspond to the directory organization.
-  That NuttX directory organization is discussed in 
+  That NuttX directory organization is discussed in
   <a href="#grapicsdirs">Appendix B</a> of this document.
   The logic modules are discussed in the following sub-paragraphs.
 </p>
@@ -622,7 +622,7 @@ void nxgl_rectunion(FAR struct nxgl_rect_s *dest,
 </pre></ul>
 <p>
   <b>Description:</b>
-  Given two rectanges, <code>src1</code> and <code>src2</code>, return the larger rectangle that 
+  Given two rectanges, <code>src1</code> and <code>src2</code>, return the larger rectangle that
   contains both, <code>dest</code>.
 </p>
 
@@ -766,7 +766,7 @@ int nxgl_splitline(FAR struct nxgl_vector_s *vector, FAR struct nxgl_trapezoid_s
   <b>Description:</b>
   In the general case, a line with width can be represented as a parallelogram with a triangle at the top and bottom.
   Triangles and parallelograms are both degenerate versions of a trapezoid.
-  This function breaks a wide line into triangles and trapezoids. 
+  This function breaks a wide line into triangles and trapezoids.
   This function also detects other degenerate cases:
 </p>
 <ol>
@@ -801,7 +801,7 @@ int nxgl_splitline(FAR struct nxgl_vector_s *vector, FAR struct nxgl_trapezoid_s
 </p>
 <ul>
   <p>
-    <code>0</code>: Line successfully broken up into three trapezoids. 
+    <code>0</code>: Line successfully broken up into three trapezoids.
     Values in <code>traps[0]</code>, <code>traps[1]</code>, and <code>traps[2]</code> are valid.
   </p>
   <p>
@@ -1551,7 +1551,7 @@ int nx_setposition(NXWINDOW hwnd, FAR struct nxgl_point_s *pos);
   <ul><dl>
     <dt><code>hwnd</code>
     <dd>The handle returned by <a href="#nxopenwindow"><code>nx_openwindow()</code></a>.
-      This handle must not have been created by 
+      This handle must not have been created by
       <a href="#nxrequestbkgd"><code>nx_requestbkgd()</code></a>.
     <dt><code>pos</code>
     <dd>The new position of the window
@@ -1579,7 +1579,7 @@ int nx_setsize(NXWINDOW hwnd, FAR struct nxgl_size_s *size);
   <ul><dl>
     <dt><code>hwnd</code>
     <dd>The handle returned by <a href="#nxopenwindow"><code>nx_openwindow()</code></a>.
-      This handle must not have been created by 
+      This handle must not have been created by
       <a href="#nxrequestbkgd"><code>nx_requestbkgd()</code></a>.
     <dt><code>size</code>
     <dd>The new size of the window (in pixels).
@@ -1607,7 +1607,7 @@ int nx_raise(NXWINDOW hwnd);
   <ul><dl>
     <dt><code>hwnd</code>
     <dd>The handle returned by <a href="#nxopenwindow"><code>nx_openwindow()</code></a>.
-      This handle must not have been created by 
+      This handle must not have been created by
       <a href="#nxrequestbkgd"><code>nx_requestbkgd()</code></a>.
     <dt><code></code>
     <dd>
@@ -1635,7 +1635,7 @@ int nx_lower(NXWINDOW hwnd);
   <ul><dl>
     <dt><code>hwnd</code>
     <dd>The handle returned by <a href="#nxopenwindow"><code>nx_openwindow()</code></a>.
-      This handle must not have been created by 
+      This handle must not have been created by
       <a href="#nxrequestbkgd"><code>nx_requestbkgd()</code></a>.
     <dt><code></code>
     <dd>
@@ -3132,7 +3132,7 @@ int nxf_convert_32bpp(FAR uint32_t *dest, uint16_t height,
 
 <p><b>Building <code>apps/examples/nx</code></b>.
   Testing was performed using the Linux/Cygwin-based NuttX simulator.
-  Instructions are provided for building that simulation are provided in 
+  Instructions are provided for building that simulation are provided in
   <a href="#testcoverage">Appendix C</a> of this document.
 </p>
 
@@ -3299,7 +3299,7 @@ int nxf_convert_32bpp(FAR uint32_t *dest, uint16_t height,
       <dd>Specify the colors of the border used with framed windows.
     <dt><code>CONFIG_NXTK_BORDERCOLOR2</code>
       <dd>The shadow side color and so is normally darker.
-    <dt><code>CONFIG_NXTK_BORDERCOLOR3</code> 
+    <dt><code>CONFIG_NXTK_BORDERCOLOR3</code>
       <dd>The shiny side color and so is normally brighter.
       The default is medium, dark, and light grey, respectively
     <dt><code>CONFIG_NXTK_AUTORAISE</code>:
@@ -3426,7 +3426,7 @@ int nxf_convert_32bpp(FAR uint32_t *dest, uint16_t height,
     <dt><code>CONFIG_NXCONSOLE_NXKBDIN</code>:
       <dd>Take input from the NX keyboard input callback.
       By default, keyboard input is taken from stdin (<code>/dev/console</code>).
-      If this option is set, then the interface<code>nxcon_kdbin()</code> is enabled. 
+      If this option is set, then the interface<code>nxcon_kdbin()</code> is enabled.
       That interface may be driven by window callback functions so that keyboard input <i>only</i> goes to the top window.
     <dt><code>CONFIG__NXCONSOLE_KBDBUFSIZE</code>:
       <dd>If <code>CONFIG_NXCONSOLE_NXKBDIN</code> is enabled, then this value may be used to
@@ -3467,7 +3467,7 @@ int nxf_convert_32bpp(FAR uint32_t *dest, uint16_t height,
     <p>
       Locate a font in BDF format.
       There are many good BDF bitmap fonts bundled with X-11.
-      See <a href="http://www.cl.cam.ac.uk/~mgk25/ucs-fonts.html">this link</a>, as an example, 
+      See <a href="http://www.cl.cam.ac.uk/~mgk25/ucs-fonts.html">this link</a>, as an example,
     </p>
   </li>
   <li>
@@ -3703,7 +3703,7 @@ sudo ln -s libXext.so.6.4.0 libXext.so
           This is because the sim target is based upon some assembly language setjmp/longjmp logic that only works on 32-bit systems.
         </p>
         <p><small>
-          <b>NOTE</b>: There is a workaround in this case: 
+          <b>NOTE</b>: There is a workaround in this case:
           You can build for 32-bit execution on a 64-bit machine by adding <code>-m3</code> to the <code>CFLAGS</code> and <code>-m32 -m elf_i386</code> to the <code>LDFLAGS</code>.
           See the patch file <code>0001-Quick-hacks-to-build-sim-nsh-ostest-on-x86_64-as-32-.patch</code>
           that can be found in NuttX <a href="http://tech.groups.yahoo.com/group/nuttx/files">files</a>.