Better README for ctan, as requested following the first upload

Makefile

@@ -81,7 +81,18 @@ dist/git-latexdiff.zip: force
 	-$(RM) -fr dist/git-latexdiff/
 	mkdir -p dist/git-latexdiff/bin/ dist/git-latexdiff/man
 	$(MAKE) gitexecdir=$(PWD)/dist/git-latexdiff/bin gitmanpath=$(PWD)/dist/git-latexdiff/man/ install
-	./git-latexdiff --help > dist/git-latexdiff/README.txt
+	(sed -ne '1,/Installation/p' README.md | head -n -1 ;\
+	 echo 'The output of git-latexdiff -h is given below:' ;\
+	 echo ;\
+	 echo '```' ;\
+	 ./git-latexdiff --help ;\
+	echo '```' ;\
+	echo ;\
+	echo "Examples" ;\
+	echo "--------" ;\
+	echo ;\
+	./git-latexdiff --help-examples | grep -v "^Examples:" ;\
+	)> dist/git-latexdiff/README.md
 	cd dist/ && zip -r git-latexdiff.zip git-latexdiff
 	@echo "dist/git-latexdiff.zip generated."
 

README.md

@@ -15,6 +15,26 @@ running `latexdiff` (this usually works better than using `latexdiff
 To get the manpage (needed to get `git-latexdiff --help` to work), you
 need the `a2x` tool from the asciidoc package.
 
+Copying
+-------
+
+git-latexdiff's main author is [Matthieu
+Moy](https://matthieu-moy.fr/). The script is freely distributable and
+modifyable under the terms of the simplified BSD licence.
+
+Documentation
+-------------
+
+The documentation is available through these commands:
+
+    git-latexdiff -h
+    git-latexdiff --help-examples
+
+If you installed the manpage properly, you can get the same
+documentation with:
+
+    man git-latexdiff
+
 Installation
 ------------
 
@@ -52,16 +72,3 @@ To get the documentation, you need to generate it:
 
 and then copy `git-latexdiff.1` in your man-path (run `git --man-path`
 to get the location).
-
-Documentation
--------------
-
-The documentation is available through these commands:
-
-    git-latexdiff -h
-    git-latexdiff --help-examples
-
-If you installed the manpage properly, you can get the same
-documentation with:
-
-    man git-latexdiff