4 files changed, 62 insertions, 2 deletions
diff --git a/support/chklref/doc/Makefile b/support/chklref/doc/Makefile
index 4faf33d891..a12ad3b629 100644
--- a/support/chklref/doc/Makefile
+++ b/support/chklref/doc/Makefile
@@ -1,11 +1,14 @@
 .PHONY: all clean cleanall 
 
-all: chklref.pdf clean
+all: chklref.1 chklref.pdf clean
 
 chklref.pdf: chklref.tex
 	pdflatex chklref.tex
 	pdflatex chklref.tex
 
+chklref.1: ../chklref.pl
+	help2man --output=$@ ../chklref.pl
+
 clean:
 	rm -f chklref.log chklref.aux chklref.out chklref.fls chklref.fdb_latexmk chklref.synctex.gz
 
diff --git a/support/chklref/doc/chklref.1 b/support/chklref/doc/chklref.1
new file mode 100644
index 0000000000..8dc3b874ed
--- /dev/null
+++ b/support/chklref/doc/chklref.1
@@ -0,0 +1,56 @@
+.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.47.11.
+.TH CHKLREF "1" "November 2019" "chklref 3.1.2" "User Commands"
+.SH NAME
+chklref \- manual page for chklref 3.1.2
+.SH SYNOPSIS
+.B chklref
+[\fI\,options\/\fR] \fI\,texfile\/\fR
+.SH DESCRIPTION
+Check unused labels and bibitems in a LaTeX file
+.SH OPTIONS
+.TP
+\fB\-\-tex\fR <compiler>, \fB\-t\fR
+Specify the TeX compiler to be used. Default is `pdflatex`.
+.TP
+\fB\-\-tex\-options\fR
+List of options to pass to the TeX compiler. It should be a quoted
+string of white space delimited options. Note that we always add
+`\-interaction nonstopmode` on top of these options.
+.TP
+\fB\-\-debug\fR, \fB\-d\fR
+Run in debug mode. Do not clean the generated `.chk` file.
+.TP
+\fB\-\-quiet\fR, \fB\-q\fR
+Run in quiet mode. Do not print the output of the TeX compiler.
+.TP
+\fB\-\-parse\-only\fR
+Do not run the LaTeX compiler but use the already existing `.chk` file.
+When this option is passed, the following other options are meaningless:
+`\-\-tex`, `\-\-tex\-options`, `\-\-quiet`, `\-\-debug`.
+.TP
+\fB\-\-version\fR, \fB\-v\fR
+Print the version of this script.
+.TP
+\fB\-\-help\fR,h
+Print this help.
+.SH AUTHOR
+Written by Jerome Lelong <jerome.lelong@gmail.com>
+.SH "REPORTING BUGS"
+Report bugs to https://github.com/jlelong/chklref. `chklref` is known not to work with `cleveref`. If you would like to contribute to `chklref`, feel free to open a PR on https://github.com/jlelong/chklref.
+.SH COPYRIGHT
+Copyright 2005\-2019 Jerome Lelong <jerome.lelong@gmail.com>.
+This program comes with ABSOLUTELY NO WARRANTY.
+.br
+This is free software, and you are welcome to redistribute it under GPLv3.
+.SH "SEE ALSO"
+The full documentation for
+.B chklref
+is maintained as a Texinfo manual.  If the
+.B info
+and
+.B chklref
+programs are properly installed at your site, the command
+.IP
+.B info chklref
+.PP
+should give you access to the complete manual.
diff --git a/support/chklref/doc/chklref.pdf b/support/chklref/doc/chklref.pdf
index df3d7637c1..5a64429732 100644
--- a/support/chklref/doc/chklref.pdf
+++ b/support/chklref/doc/chklref.pdf
diff --git a/support/chklref/doc/chklref.tex b/support/chklref/doc/chklref.tex
index 4a9b0baf8d..3f443ed8b4 100644
--- a/support/chklref/doc/chklref.tex
+++ b/support/chklref/doc/chklref.tex
@@ -98,7 +98,8 @@ This package follows the TDS\footnote{TeX Directory Structure
   \url{http://www.tug.org/twg/tds/}}:
 \begin{itemize}
   \item  put the \TeX\ package \verb!chklref.sty! into \verb!$(texmf_prefix)/tex/latex/chklref!
-  \item  put the manual \verb!chklref.pdf! into \verb!$(texmf_prefix)/doc/latex/chklref!
+  \item  put the documentation \verb!doc/chklref.pdf! into \verb!$(texmf_prefix)/doc/latex/chklref!
+  \item  put the man page \verb!doc/chklref.1! into \verb!$(texmf_prefix)/doc/man/man1!
   \item  put the Perl parser \verb!chklref.pl! into \verb!$(texmf_prefix)/scripts/chklref!
 \end{itemize}
 Note that you will also need to make a link or copy \verb!chklref.pl! to a location in your \texttt{PATH}. On Unix systems, you may need to set the script executable. \\