Fix all relevant instances of wrong hyphens in man pages.

Cf. https://lwn.net/Articles/947941/, not escaping - will change
e.g. “plocate-build” to “plocate(Unicode dash)build”, which breaks
cut-and-paste. We had this right most places, but not all.

plocate-build.8

@@ -1,6 +1,6 @@
-.TH plocate-build 8 "Oct 2020" plocate-build
+.TH plocate\-build 8 "Oct 2020" plocate\-build
 .SH NAME
-plocate-build \- generate index for plocate
+plocate\-build \- generate index for plocate
 
 .SH SYNOPSIS
 .B plocate-build
@@ -9,7 +9,7 @@ plocate-build \- generate index for plocate
 .I "PLOCATE_DB"
 
 .SH DESCRIPTION
-.B plocate-build
+.B plocate\-build
 creates an index from 
 .BR plocate (1)
 from an index earlier generated by
@@ -70,4 +70,4 @@ Steinar H. Gunderson <steinar+plocate@gunderson.no>
 .SH SEE ALSO
 \fBplocate\fP(1),
 \fB/etc/cron.daily/plocate\fR (which is called
-\fBupdate-plocate.sh\fR in the source distribution)
+\fBupdate\-plocate.sh\fR in the source distribution)

plocate.1

@@ -14,7 +14,7 @@ of the patterns if multiple are given). It does this by means of
 an index made by
 .BR updatedb (8)
 or (less commonly) converted from another index by
-.BR plocate-build (8).
+.BR plocate\-build (8).
 
 plocate is largely argument-compatible with
 .BR mlocate (1),
@@ -39,10 +39,10 @@ By default, patterns are taken to be substrings to search for.
 If at least one non-escaped globbing metacharacter (*, ? or []) is given,
 that pattern is instead taken to be a glob pattern (which means it needs
 to start and end in * for a substring match). If
-.B --regexp
+.B \-\-regexp
 is given, patterns are instead taken to be (non-anchored) POSIX basic
 regular expressions, and if
-.B --regex
+.B \-\-regex
 is given, patterns are taken to be POSIX extended regular expressions.
 All of this matches
 .BR mlocate (1)
@@ -60,9 +60,9 @@ testing visibility as the calling user.
 .SH EXIT STATUS
 .B plocate
 exits with 0 to indicate that a match was found or that
-.B --help
+.B \-\-help
 or
-.B --version
+.B \-\-version
 were passed. Otherwise,
 .B plocate
 exits with status code 1, indicating that an error occurred or that no matches were found.
@@ -127,7 +127,7 @@ Print entry names without quoting. Normally,
 .B plocate
 will escape special characters in filenames, so that they are safe for
 consumption by typical shells (similar to the GNU coreutils
-.I shell-escape-always
+.I shell\-escape\-always
 quoting style), unless printing to a pipe, but this options will
 turn off such quoting.
 
@@ -156,7 +156,7 @@ regular expressions.
 .TP
 \fB\-w\fR, \fB\-\-wholename\fR
 Match against the entire path name. This is the default,
-so unless \fB-b\fR is given first (see above), it will not do
+so unless \fB\-b\fR is given first (see above), it will not do
 anything. This option thus exists only as compatibility with
 .BR mlocate (1).
 
@@ -181,6 +181,6 @@ as for \fB\-\-database\fR.
 Steinar H. Gunderson <steinar+plocate@gunderson.no>
 
 .SH SEE ALSO
-\fBplocate-build\fP(8),
+\fBplocate\-build\fP(8),
 \fBmlocate\fP(1),
 \fBupdatedb\fP(8)