groff, preconv.man: Some formatting changes in the manual

[Bjarni Ingi Gislason]

                           Groff Bug Report

GROFF VERSION:
1.22.2 (current-groff from 17th October 2013)

MACHINE:
laptop (i586)

OS:
GNU/Linux 3.2.46-1-rt67-1; Debian 7.2 (wheezy)

COMPILER:
gcc 4.7.2 (Debian 4.7.2-5)

INPUT FILES:

.../groff-current/src/preproc/preconv/preconv.man

COMMAND LINE:
groff -b -ww -mandoc -z

DESCRIPTION OF INCORRECT BEHAVIOUR OR FAULTY INPUT (SOURCE):

  Changes:

  Hair space between \- and \- in options (for "troff")

  A full stop (.), that begins or ends a string, protected with \&

  Space at end of line removed

SUGGESTED FIX [optional]:

--- preconv.man 2013-11-21 16:31:15.000000000 +0000
+++ preconv.man.new     2013-11-21 16:46:56.000000000 +0000
@@ -34,12 +34,12 @@ preconv \- convert encoding of input fil
 .SY preconv
 .B \-h
 |
-.B \-\-help
+.B \-\^\-help
 .
 .SY preconv
 .B \-v
 |
-.B \-\-version
+.B \-\^\-version
 .YS
 .
 .PP
@@ -89,17 +89,17 @@ Without this switch,
 uses the algorithm described below to select the input encoding.
 .
 .TP
-.B \-\-help
+.B \-\^\-help
 .TQ
 .B \-h
 Print help message.
 .
 .TP
 .B \-r
-Do not add .lf requests.
+Do not add \&.lf requests.
 .
 .TP
-.B \-\-version
+.B \-\^\-version
 .TQ
 .B \-v
 Print version number.
@@ -256,7 +256,7 @@ eventually map to values from the list a
 .PP
 Those tags are taken from
 .B "GNU Emacs"
-and 
+and
 .BR XEmacs ,
 together with some aliases.
 Trailing \%`-dos', \%`-unix', and \%`-mac' suffixes of coding tags (which
@@ -271,7 +271,7 @@ all other encodings are passed to the
 library functions.
 At compile time it is searched and checked for a valid
 .B iconv
-implementation; a call to `preconv \-\-version' shows whether
+implementation; a call to `preconv \-\^\-version' shows whether
 .B iconv
 is used.
 .