doc: manuals should not have empty lines

sx.1

@@ -1,12 +1,9 @@
-.TH sx 1 2017-12-07 sx
-
+.TH SX 1 2017-12-09 Linux
 .SH NAME
 sx \- start an xorg server
-
 .SH SYNOPSIS
 .B sx
 .RI [ client ]
-
 .SH DESCRIPTION
 .B sx
 can be used to replace both
@@ -20,7 +17,6 @@ will attempt execute
 unless a
 .I client
 argument is provided.
-
 .SH ENVIRONMENT
 .TP
 .B XAUTHORITY
@@ -43,7 +39,6 @@ and storing
 will be used if
 .B XDG_CONFIG_HOME
 is not set.
-
 .SH FILES
 .TP
 .B XDG_CONFIG_HOME/sx/sxrc
@@ -56,11 +51,9 @@ The default authority used by
 .B sx
 if an alternative file is not provided with
 .BR XAUTHORITY .
-
 .SH SOURCE
 .UR https://github.com/Earnestly/sx
 .UE
-
 .SH SEE ALSO
 .BR Xorg (1),
 .BR xinit (1),