space \- check and fix whitespace in files
.SH SYNOPSIS
.B space
-.RB [ \-cmtuv ]
+.RB [ \-clmtuv ]
.RB [ \-i \c
.RI [ backup ]]
.RI [ file ...]
.BR diff (1)
not least;
.hP \*o
+.I trailing blank lines
+\(en which some editors, notably Emacs, introduce by default;
+.hP \*o
.I groups of spaces which could be replaced by tabs
\(en replacing them with the appropriate tab characters; or
.hP \*o
.B space
is silent.
.TP
+.B \-l
+Check the file for trailing blank lines, i.e., lines containing only
+horizontal whitespace. With
+.BR \-v ,
+report if the file has trailing blank lines; without
+.BR \-c ,
+remove these trailing blank lines from the output.
+.TP
+.BR \-v
+Report detailed messages about whitespace problems encountered. Useful
+with
+.BR \-c ,
+for example.
+.TP
.BR \-i [ \fIbackup ]
Modify all the
.IR file s