Whitespace fixes, punctuation fix, NetBSD -> Nx.

lib/libc/gen/vis.3

@@ -1,4 +1,4 @@
-.\"	$NetBSD: vis.3,v 1.12 1999/11/25 16:52:29 wennmach Exp $
+.\"	$NetBSD: vis.3,v 1.13 2001/06/05 13:25:57 wiz Exp $
 .\"
 .\" Copyright (c) 1989, 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -50,15 +50,15 @@
 .Fd #include <vis.h>
 .Ft char *
 .Fn vis "char *dst" "int c" "int flag" "int nextc"
-.Ft int 
+.Ft int
 .Fn strvis "char *dst" "const char *src" "int flag"
-.Ft int 
+.Ft int
 .Fn strvisx "char *dst" "const char *src" "size_t len" "int flag"
 .Ft char *
 .Fn svis "char *dst" "int c" "int flag" "int nextc" "const char *extra"
-.Ft int 
+.Ft int
 .Fn strsvis "char *dst" "const char *src" "int flag" "const char *extra"
-.Ft int 
+.Ft int
 .Fn strsvisx "char *dst" "const char *src" "size_t len" "int flag" "const char *extra"
 .Sh DESCRIPTION
 The
@@ -74,11 +74,11 @@ needs no encoding, it is copied in unaltered.  The string is
 null terminated, and a pointer to the end of the string is
 returned.  The maximum length of any encoding is four
 characters (not including the trailing
-.Dv NUL ) ; 
+.Dv NUL ) ;
 thus, when
 encoding a set of characters into a buffer, the size of the buffer should
 be four times the number of characters encoded, plus one for the trailing
-.Dv NUL . 
+.Dv NUL .
 The flag parameter is used for altering the default range of
 characters considered for encoding and for altering the visual
 representation.
@@ -103,7 +103,7 @@ function encodes characters from
 .Fa src
 up to the
 first
-.Dv NUL . 
+.Dv NUL .
 The
 .Fn strvisx
 function encodes exactly
@@ -112,7 +112,7 @@ characters from
 .Fa src
 (this
 is useful for encoding a block of data that may contain
-.Dv NUL Ns 's).
+.Dv NUL Ns 's ) .
 Both forms
 .Dv NUL
 terminate
@@ -123,22 +123,22 @@ must be four times the number
 of characters encoded from
 .Fa src
 (plus one for the
-.Dv NUL ) . 
+.Dv NUL ) .
 Both
 forms return the number of characters in dst (not including
 the trailing
-.Dv NUL ) . 
+.Dv NUL ) .
 .Pp
 The functions
 .Fn svis ,
 .Fn strsvis ,
 and
-.Fn strsvisx 
+.Fn strsvisx
 correspond to
 .Fn vis ,
 .Fn strvis ,
 and
-.Fn strvisx 
+.Fn strvisx
 but have an additional argument
 .Fa extra ,
 pointing to a
@@ -150,7 +150,7 @@ These functions are useful e. g. to remove the special meaning
 of certain characters to shells.
 .Pp
 The encoding is a unique, invertible representation composed entirely of
-graphic characters; it can be decoded back into the original form using 
+graphic characters; it can be decoded back into the original form using
 the
 .Xr unvis 3
 or
@@ -163,7 +163,7 @@ characters that are encoded (applies only to
 .Fn strvis ,
 and
 .Fn strvisx ) ,
-and the type of representation used.  
+and the type of representation used.
 By default, all non-graphic characters,
 except space, tab, and newline are encoded.
 (See
@@ -173,23 +173,23 @@ alter this:
 .Bl -tag -width VIS_WHITEX
 .It Dv VIS_SP
 Also encode space.
-.It Dv VIS_TAB		
+.It Dv VIS_TAB
 Also encode tab.
 .It Dv VIS_NL
 Also encode newline.
-.It Dv VIS_WHITE	
+.It Dv VIS_WHITE
 Synonym for
 .Dv VIS_SP
 \&|
 .Dv VIS_TAB
 \&|
 .Dv VIS_NL .
-.It Dv VIS_SAFE	
+.It Dv VIS_SAFE
 Only encode "unsafe" characters.  Unsafe means control
 characters which may cause common terminals to perform
 unexpected functions.  Currently this form allows space,
 tab, newline, backspace, bell, and return - in addition
-to all graphic characters - unencoded. 
+to all graphic characters - unencoded.
 .El
 .Pp
 (The above flags have no effect for
@@ -323,5 +323,5 @@ The
 .Fa strsvis ,
 and
 .Fa strsvisx
-functions appeared in NetBSD 1.5.
-
+functions appeared in
+.Nx 1.5 .