man: fix rendering with groff

Closes #32.

man/magrep.1

@@ -10,7 +10,7 @@
 .Op Fl v
 .Op Fl i
 .Op Fl a | Fl d
-.Ar header Ns Cm ":" Ns Ar regex
+.Ar header Ns Cm \&: Ns Ar regex
 .Op Ar msgs\ ...
 .Sh DESCRIPTION
 .Nm
@@ -30,7 +30,7 @@ will instead match against the Maildir flags of the messages.
 If
 .Ar header
 is
-.Sq Li "/" ,
+.Sq Cm \&/ ,
 .Nm
 will instead search the plain text parts of the
 .Em body

man/mblaze-profile.5

@@ -17,10 +17,10 @@ which usually resides in
 if set.)
 .Pp
 This file consists of a RFC 2822 style header message with lines like
-.Dl Ar key Ns ":" Ar value
+.Dl Ar key Ns \&: Ar value
 .Pp
 You can use a key
-.Sq Li "#"
+.Sq Cm \&#
 for comments:
 .Dl Li "#:" Ar comment
 .Pp

man/mmsg.7

@@ -32,7 +32,7 @@ to all messages in the
 directory.
 .Pp
 Sequences have the format
-.Sq Ar start Ns Cm ":" Ns Ar stop ,
+.Sq Ar start Ns Cm \&: Ns Ar stop ,
 where
 .Ar start
 and
@@ -50,24 +50,24 @@ is the empty string,
 .Li \&-1
 will be used instead.
 Thus,
-.Sq Cm ":"
+.Sq Cm \&:
 represents the whole sequence.
 If the sequence does not contain a
-.Sq Cm ":" ,
+.Sq Cm \&: ,
 it is considered to be a single message, equivalent to the range
-.Sq Ar start Ns Cm ":" Ns Ar start
+.Sq Ar start Ns Cm \&: Ns Ar start
 of size one.
 .Pp
 If the sequence is threaded, the following
 syntax may be used:
-.Sq Ar msg Ns Cm "="
+.Sq Ar msg Ns Cm \&=
 refers to the whole thread that contains
 .Ar msg .
-.Sq Ar msg Ns Cm "^"
+.Sq Ar msg Ns Cm \&^
 refers to the parent of the message
 .Ar msg
 and may be repeated to refer to grand-parents.
-.Sq Ar msg Ns Cm "_"
+.Sq Ar msg Ns Cm \&_
 refers to the subthread headed by
 .Ar msg
 (i.e. all messages below with more indentation).

man/mpick.1

@@ -42,7 +42,7 @@ and can include:
 .It Ar n
 Message number
 .Ar n .
-.It Ar n Ns Cm ":" Ns Ar m , Ar n Ns Cm "-" Ns Ar m
+.It Ar n Ns Cm \&: Ns Ar m , Ar n Ns Cm \&- Ns Ar m
 An inclusive range of message numbers between
 .Ar n
 and
@@ -50,11 +50,11 @@ and
 .It Ar address
 All messages from
 .Ar address .
-.It Cm "/" Ns Ar string
+.It Cm \&/ Ns Ar string
 All messages with
 .Ar string
 in the subject line (case ignored).
-.It Cm ":" Ns Ar c
+.It Cm \&: Ns Ar c
 All message of type
 .Ar c ,
 where

man/mscan.1

@@ -56,18 +56,18 @@ The following formatting codes can be used
 .Ar ( wd
 overrides the default width):
 .Bl -tag -width Ds
-.It Cm "\\n"
+.It Cm \en
 Newline
-.It Cm "\\t"
+.It Cm \et
 Tab
-.It Cm "%%"
+.It Cm \&%%
 A plain
-.Sq Li "%" .
+.Sq Li \&% .
 .It Cm "%" Ns Oo Ar wd Oc Ns Cm "b"
 Human-readable size of the message (in kilobytes).
 .It Cm "%c"
 A
-.Sq Li ">"
+.Sq Li \&
 on the current message, else a blank.
 .It Cm "%" Ns Oo Ar wd Oc Ns Cm "d"
 Adaptive date of the message.
@@ -103,9 +103,9 @@ The raw Maildir flags of the message.
 The number of the message in the current sequence.
 .It Cm "%r"
 A
-.Sq Li "-"
+.Sq Li \&-
 on a replied-to message, or a
-.Sq Li ":"
+.Sq Li \&:
 on a forwarded message, or a blank.
 .It Cm "%" Ns Oo Ar wd Oc Ns Cm "R"
 The filename of the message.
@@ -119,25 +119,25 @@ with leading
 etc. stripped.
 .It Cm "%t"
 A
-.Sq Li ">"
+.Sq Li \&>
 if you are in
 .Sq Li "To:" ,
 a
-.Sq Li "+"
+.Sq Li \&+
 if you are in
 .Sq Li "Cc:" ,
 a
-.Sq Li ":"
+.Sq Li \&:
 if you are in
 .Sq Li "Resent-To:" ,
 or a blank else.
 .It Cm "%u"
 A
-.Sq Li "*"
+.Sq Li \&*
 on a flagged message, or a
-.Sq Li "."
+.Sq Li \&.
 on an unseen message, or a
-.Sq Li "x"
+.Sq Li x
 on a trashed message, or a blank.
 .El
 .El

man/msed.1

@@ -42,25 +42,25 @@ The separators
 the command letter may be subsituted with an arbitrary symbol, just as in
 .Xr sed 1 .
 Multiple commands can be separated by
-.Sq Cm ";" .
+.Sq Cm \&; .
 .Bl -tag -width Ds
-.It Cm "/" Ns Ar header Ns Cm "/" Ns Ic a Ns Cm "/" Ns Ar value Ns Cm "/"
+.It Cm \&/ Ns Ar header Ns Cm \&/ Ns Ic a Ns Cm \&/ Ns Ar value Ns Cm \&/
 If the header
-.Sq Ar header Ns Cm ":"
+.Sq Ar header Ns Cm \&:
 is not set in the message, add it with given
 .Ar value .
-.It Cm "/" Ns Ar headers Ns Cm "/" Ns Ic c Ns Cm "/" Ns Ar value Ns Cm "/"
+.It Cm \&/ Ns Ar headers Ns Cm \&/ Ns Ic c Ns Cm \&/ Ns Ar value Ns Cm \&/
 Change colon-separated headers matching the regular expression
 .Ar headers ,
 with implicit anchoring to the header name,
 to the value given in
 .Ar value .
-.It Cm "/" Ns Ar headers Ns Cm "/" Ns Ic d
+.It Cm \&/ Ns Ar headers Ns Cm \&/ Ns Ic d
 Delete colon-separated headers matching the regular expression
 .Ar headers ,
 with implicit anchoring to the header name.
 Use explicit
-.Sq Li ".*"
+.Sq Li \&.*
 to match arbitrary strings at the beginning or end of the headers.
 .Pp
 For example,
@@ -75,7 +75,7 @@ will delete the headers
 .Sq Li "To:" ,
 and
 .Sq Li "Cc:" .
-.It Oo Cm "/" Ns Ar headers Ns Cm "/" Oc Ns Ic s Ns Cm "/" Ns Ar regex Ns Cm "/" Ns Ar replacement Ns Cm "/" Ns Op Ar flags
+.It Oo Cm \&/ Ns Ar headers Ns Cm \&/ Oc Ns Ic s Ns Cm \&/ Ns Ar regex Ns Cm \&/ Ns Ar replacement Ns Cm \&/ Ns Op Ar flags
 Substitute matches of the POSIX Basic Regular Expression
 .Ar regex
 in headers matching the POSIX Basic Regular Expression
@@ -85,10 +85,10 @@ with implicit anchoring to the header name
 with the string
 .Ar replacement ,
 expanding
-.Sq Li "&"
+.Sq Cm \&&
 to the matched string,
 and
-.Sq Li "\\" Ns Ar N
+.Sq Cm \e Ns Ar N
 to the
 .Ar N Ns
 th