winsup/doc: Some preparatory XML fixes

Remove the inconsistent .exe suffix in strace and umount usage lines.

Tidy up some trailing whitespace.

Tabs inside <screen> are not consistently formatted by all formatters, replace
with spaces.

Remove pointlesss and incorrect date

2015-06-12  Jon Turney  <jon.turney@dronecode.org.uk>

	* cygwin-ug-net.xml: Remove incorrect unused date.
	* utils.xml : Remove .exe suffix inconsistently added in a few
	places.  Tidy up some trailing whitespace.

Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>

winsup/doc/ChangeLog

@@ -1,3 +1,9 @@
+2015-06-12  Jon Turney  <jon.turney@dronecode.org.uk>
+
+	* cygwin-ug-net.xml: Remove incorrect unused date.
+	* utils.xml : Remove .exe suffix inconsistently added in a few
+	places.  Tidy up some trailing whitespace.
+
 2015-06-12  Jon Turney  <jon.turney@dronecode.org.uk>
 
 	* xidepend: Fix to handle relative pathnames.

winsup/doc/cygwin-ug-net.xml

@@ -4,7 +4,6 @@
 
 <book id="cygwin-ug-net" xmlns:xi="http://www.w3.org/2001/XInclude">
   <bookinfo>
-    <date>2009-03-18</date>
     <title>Cygwin User's Guide</title>
 		<xi:include href="legal.xml"/>
   </bookinfo>

winsup/doc/utils.xml

@@ -1145,21 +1145,21 @@ D: on /d type fat (binary,user,noumount)
   binary     - Files default to binary mode (default).
   bind       - Allows to remount part of the file hierarchy somewhere else.
                Different from other mount calls, the first argument
-	       specifies an absolute POSIX path, rather than a Win32 path.
+               specifies an absolute POSIX path, rather than a Win32 path.
-	       This POSIX path is remounted to the POSIX path specified as
+               This POSIX path is remounted to the POSIX path specified as
-	       the second parameter.  The conversion to a Win32 path is done
+               the second parameter.  The conversion to a Win32 path is done
-	       within Cygwin immediately at the time of the call.  Note that
+               within Cygwin immediately at the time of the call.  Note that
-	       symlinks are ignored while performing this path conversion.
+               symlinks are ignored while performing this path conversion.
   cygexec    - Treat all files below mount point as cygwin executables.
   dos        - Always convert leading spaces and trailing dots and spaces to
-	       characters in the UNICODE private use area.  This allows to use
+               characters in the UNICODE private use area.  This allows to use
-	       broken filesystems which only allow DOS filenames, even if they
+               broken filesystems which only allow DOS filenames, even if they
-	       are not recognized as such by Cygwin.
+               are not recognized as such by Cygwin.
   exec       - Treat all files below mount point as executable.
   ihash      - Always fake inode numbers rather than using the ones returned
-	       by the filesystem.  This allows to use broken filesystems which
+               by the filesystem.  This allows to use broken filesystems which
-	       don't return unambiguous inode numbers, even if they are not
+               don't return unambiguous inode numbers, even if they are not
-	       recognized as such by Cygwin.
+               recognized as such by Cygwin.
   noacl      - Ignore ACLs and fake POSIX permissions.
   nosuid     - No suid files are allowed (currently unimplemented)
   notexec    - Treat all files below mount point as not executable.
@@ -1168,7 +1168,7 @@ D: on /d type fat (binary,user,noumount)
   posix=1    - Switch on case sensitivity for paths under this mount point
                (default).
   sparse     - Switch on support for sparse files.  This option only makes
-	       sense on NTFS and then only if you really need sparse files.
+               sense on NTFS and then only if you really need sparse files.
   text       - Files default to CRLF text mode line endings.
 </screen>
 
@@ -1590,7 +1590,7 @@ remote host in either \\hostname or hostname: format and prefix is any of:
 
 You can use forward slash ('/') as a separator instead of backslash, in
 that case backslash is treated as escape character
-Example: regtool.exe get '\user\software\Microsoft\Clock\iFormat'
+Example: regtool get '\user\software\Microsoft\Clock\iFormat'
 </screen>
 
     <para>The <command>regtool</command> program allows shell scripts to access
@@ -1706,7 +1706,7 @@ Modify file and directory access control lists (ACLs)
   -f, --file       set ACL entries for FILE to ACL entries read
                    from a ACL_FILE
   -k, --remove-default
-		   remove all default ACL entries
+                   remove all default ACL entries
   -m, --modify     modify one or more specified ACL entries
   -r, --replace    replace mask entry with maximum permissions
                    needed for the file group class
@@ -1759,7 +1759,7 @@ At least one of (-b, -d, -f, -k, -m, -s) must be specified
       <screen>
          u[ser]:uid[:]
          g[roup]:gid[:]
-	 m[ask][:]
+         m[ask][:]
          d[efault]:u[ser][:uid]
          d[efault]:g[roup][:gid]
          d[efault]:m[ask][:]
@@ -1995,8 +1995,8 @@ $ ssp <literal>-v</literal> <literal>-s</literal> <literal>-l</literal> <literal
     <title>strace</title>
 
     <screen>
-Usage: strace.exe [OPTIONS] &lt;command-line&gt;
+Usage: strace [OPTIONS] &lt;command-line&gt;
-Usage: strace.exe [OPTIONS] -p &lt;pid&gt;
+Usage: strace [OPTIONS] -p &lt;pid&gt;
 
 Trace system calls and signals
 
@@ -2103,7 +2103,7 @@ In csh-compatible shells like tcsh:
     <title>umount</title>
 
     <screen>
-Usage: umount.exe [OPTION] [&lt;posixpath&gt;]
+Usage: umount [OPTION] [&lt;posixpath&gt;]
 
 Unmount filesystems