Add makefile target to produce man page.

Thanks to ber532k for the idea.

.gitignore

@@ -4,3 +4,4 @@ Mercury/
 *.err
 *.mh
 tags
+bower.1

Makefile

@@ -1,3 +1,11 @@
 .PHONY: bower
 bower:
 	@$(MAKE) -C src ../bower
+
+.PHONY: man
+man: bower.1
+
+bower.1: README.md make_man
+	./make_man < README.md | \
+	pandoc -f markdown -t man --standalone \
+		-M title=bower -M section=1 -o bower.1

README.md

@@ -33,6 +33,13 @@ At run time:
 * lynx to dump HTML emails (configurable)
 * file(1) to detect MIME types when adding attachments
 
+To create a man page from this readme, you will need:
+
+* [pandoc] universal document converter
+* awk
+
+[pandoc]: https://github.com/jgm/pandoc
+
 
 Compiling
 =========
@@ -54,6 +61,12 @@ With Mercury installed and `mmc` in your PATH, run:
 You may want to edit `Mercury.options` to suit your system.
 If successful, you will get a binary named `bower`.
 
+To generate a man page, run:
+
+    make man
+
+This will produce `bower.1` for installation into your `man` search path.
+
 
 Configuration
 =============

make_man

@@ -0,0 +1,21 @@
+#!/usr/bin/awk -f
+
+BEGIN {
+    output = 1;
+}
+
+/^See some.*screen shots/ {
+    next;
+}
+
+/^Requirements$/ {
+    output = 0;
+}
+
+/^Configuration$/ {
+    output = 1;
+}
+
+output {
+    print
+}