Add a leading space to the exit status codes, for readability.

docs/pv.1

@@ -571,22 +571,22 @@ or \*(lq\fB\-\-pidfile\fR\*(rq options.
 .PP
 Any other exit status is a bitmask of the following:
 .TP 5
-.B 2
+.B \~2
 One or more files could not be accessed, \fBstat\fR(2)ed, or opened.
 .TP
-.B 4
+.B \~4
 An input file was the same as the output file.
 .TP
-.B 8
+.B \~8
 Internal error with closing a file or moving to the next file.
 .TP
-.B 16
+.B \~16
 There was an error while transferring data from one or more input files.
 .TP
-.B 32
+.B \~32
 A signal was caught that caused an early exit.
 .TP
-.B 64
+.B \~64
 Memory allocation failed.
 .PP
 A zero exit status indicates no problems.

docs/pv.1.md

@@ -565,28 +565,28 @@ An exit status of 1 indicates a problem with the "**\--remote**" or
 
 Any other exit status is a bitmask of the following:
 
-**2**
+** 2**
 
 :   One or more files could not be accessed, **stat**(2)ed, or opened.
 
-**4**
+** 4**
 
 :   An input file was the same as the output file.
 
-**8**
+** 8**
 
 :   Internal error with closing a file or moving to the next file.
 
-**16**
+** 16**
 
 :   There was an error while transferring data from one or more input
     files.
 
-**32**
+** 32**
 
 :   A signal was caught that caused an early exit.
 
-**64**
+** 64**
 
 :   Memory allocation failed.