on tags

Author: Vladimir Kotal

README.md

@@ -7,3 +7,16 @@ Physics, Charles University in Prague.
 It is written in LaTeX.  See the `Makefile` on how to build the PDF document.
 
 The class home page is https://devnull-cz.github.io/unix-linux-prog-in-c/
+
+# Developer notes
+
+## Trigger new release
+
+```
+# get the latest tag
+$ git tag | sed 's/^v//' | sort -n | tail -1
+# create new tag
+$ git tag v<XYZ>
+# push it to the repo
+$ git push origin v<XYZ>
+```