/'/\\'/ to produce better UTF rendering

man3/gets.3

@@ -72,7 +72,7 @@ into the buffer pointed to by
 until either a terminating newline or
 .BR EOF ,
 which it replaces with
-.BR '\e0' .
+.BR \'\e0\' .
 No check for buffer overrun is performed (see BUGS below).
 .PP
 .BR fgets ()
@@ -87,7 +87,7 @@ Reading stops after an
 or a newline.
 If a newline is read, it is stored into the buffer.
 A
-.B '\e0'
+.B \'\e0\'
 is stored after the last character in the buffer.
 .PP
 .BR ungetc ()

man3/isalpha.3

@@ -132,15 +132,15 @@ In the
 and
 .B """POSIX"""
 locales, these are: space, form-feed
-.RB ( '\ef' ),
+.RB ( \'\ef\' ),
 newline
-.RB ( '\en' ),
+.RB ( \'\en\' ),
 carriage return
-.RB ( '\er' ),
+.RB ( \'\er\' ),
 horizontal tab
-.RB ( '\et' ),
+.RB ( \'\et\' ),
 and vertical tab
-.RB ( '\ev' ).
+.RB ( \'\ev\' ).
 .TP
 .BR isupper ()
 checks for an uppercase letter.

man3/printf.3

@@ -98,7 +98,7 @@ and
 .BR vsnprintf ()
 write at most
 .I size
-bytes (including the trailing null byte ('\e0')) to
+bytes (including the trailing null byte (\'\e0\')) to
 .IR str .
 .PP
 The functions
@@ -133,7 +133,7 @@ the variable-length argument facilities of
 are converted for output.
 .SS "Return value"
 Upon successful return, these functions return the number of characters
-printed (not including the trailing '\e0' used to end output to strings).
+printed (not including the trailing \'\e0\' used to end output to strings).
 
 The functions
 .BR snprintf ()
@@ -141,9 +141,9 @@ and
 .BR vsnprintf ()
 do not write more than
 .I size
-bytes (including the trailing '\e0').
+bytes (including the trailing \'\e0\').
 If the output was truncated due to this limit then the return value
-is the number of characters (not including the trailing '\e0')
+is the number of characters (not including the trailing \'\e0\')
 which would have been written to the final string if enough space
 had been available.
 Thus, a return value of

man3/puts.3

@@ -53,7 +53,7 @@ writes the string
 to
 .IR stream ,
 without its trailing
-.BR '\e0' .
+.BR \'\e0\' .
 .PP
 .BR putc ()
 is equivalent to

man5/utmp.5

@@ -115,7 +115,7 @@ This structure gives the name of the special file associated with the
 user's terminal, the user's login name, and the time of login in the form
 of
 .BR time (2).
-String fields are terminated by \fB'\e0'\fP if they are shorter than the size
+String fields are terminated by \fB\'\e0\'\fP if they are shorter than the size
 of the field.
 .PP
 The first entries ever created result from

man7/ascii.7

@@ -43,7 +43,7 @@ The international counterpart of ASCII is known as ISO 646.
 .LP
 The following table contains the 128 ASCII characters.
 .LP
-C program \f(CW'\eX'\fP escapes are noted.
+C program \f(CW\'\eX\'\fP escapes are noted.
 .if t \{\
 .in 1i
 .ft CW
@@ -52,20 +52,20 @@ C program \f(CW'\eX'\fP escapes are noted.
 l l l l l l l l.
 Oct	Dec	Hex	Char	Oct	Dec	Hex	Char
 _
-000	0	00	NUL '\e0'	100	64	40	@
+000	0	00	NUL \'\e0\'	100	64	40	@
 001	1	01	SOH (start of heading)	101	65	41	A
 002	2	02	STX (start of text)	102	66	42	B
 003	3	03	ETX (end of text)	103	67	43	C
 004	4	04	EOT (end of transmission)	104	68	44	D
 005	5	05	ENQ (enquiry)	105	69	45	E
 006	6	06	ACK (acknowledge)	106	70	46	F
-007	7	07	BEL '\ea' (bell)	107	71	47	G
-010	8	08	BS  '\eb' (backspace)	110	72	48	H
-011	9	09	HT  '\et' (horizontal tab)	111	73	49	I
-012	10	0A	LF  '\en' (new line)	112	74	4A	J
-013	11	0B	VT  '\ev' (vertical tab)	113	75	4B	K
-014	12	0C	FF  '\ef' (form feed)	114	76	4C	L
-015	13	0D	CR  '\er' (carriage ret)	115	77	4D	M
+007	7	07	BEL \'\ea\' (bell)	107	71	47	G
+010	8	08	BS  \'\eb\' (backspace)	110	72	48	H
+011	9	09	HT  \'\et\' (horizontal tab)	111	73	49	I
+012	10	0A	LF  \'\en\' (new line)	112	74	4A	J
+013	11	0B	VT  \'\ev\' (vertical tab)	113	75	4B	K
+014	12	0C	FF  \'\ef\' (form feed)	114	76	4C	L
+015	13	0D	CR  \'\er\' (carriage ret)	115	77	4D	M
 016	14	0E	SO  (shift out)	116	78	4E	N
 017	15	0F	SI  (shift in)	117	79	4F	O
 020	16	10	DLE (data link escape)	120	80	50	P
@@ -80,7 +80,7 @@ _
 031	25	19	EM  (end of medium)	131	89	59	Y
 032	26	1A	SUB (substitute)	132	90	5A	Z
 033	27	1B	ESC (escape)	133	91	5B	[
-034	28	1C	FS  (file separator)	134	92	5C	\e  '\e\e'
+034	28	1C	FS  (file separator)	134	92	5C	\e  \'\e\e\'
 035	29	1D	GS  (group separator)	135	93	5D	]
 036	30	1E	RS  (record separator)	136	94	5E	^
 037	31	1F	US  (unit separator)	137	95	5F	\&_

man7/man.7

@@ -491,7 +491,7 @@ file (such as HTML or Docbook).
 Anything else suggests simple ASCII
 text (e.g., a "catman" result).
 .PP
-Many man pages begin with \fB'\e"\fP followed by a
+Many man pages begin with \fB\'\e"\fP followed by a
 space and a list of characters,
 indicating how the page is to be preprocessed.
 For portability's sake to non-troff translators we recommend