n: add copyrightyear.md

Resolves: #356

n/copyrightyear.md

@@ -0,0 +1,40 @@
+---
+layout: null
+permalink: /n/ćopyrightyear.html
+redirect_from:
+  - /n/copyright.html
+sitemap: false
+---
+
+# Do copyright years need yearly updates?
+
+Apparently it depends on whether you care about when the project enters public domain.
+
+<!-- editorconfig-checker-disable -->
+<!-- prettier-ignore-start -->
+
+<!-- START doctoc generated TOC please keep comment here to allow auto update -->
+<!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
+
+- [No](#no)
+- [Yes](#yes)
+- [Other links](#other-links)
+
+<!-- END doctoc generated TOC please keep comment here to allow auto update -->
+
+<!-- prettier-ignore-end -->
+<!-- editorconfig-checker-enable -->
+
+## No
+
+- [Copyright without years | daniel.haxx.se](https://daniel.haxx.se/blog/2023/01/08/copyright-without-years/)
+- [Do you really need to update the copyright statement each new year? - nexB](https://nexb.com/do-you-really-need-to-update-the-copyright-each-new-year/)
+
+## Yes
+
+- [Information for maintainers of GNU software, 6.5: copyright notices](https://www.gnu.org/prep/maintain/maintain.html#Copyright-Notices)
+  - At the time of writing they practically say to update every file that has more than 10 lines.
+
+## Other links
+
+- [OpenSource StackExchange: mit - How do the years specified in a copyright statement work? - Open Source Stack Exchange](https://opensource.stackexchange.com/questions/6389/how-do-the-years-specified-in-a-copyright-statement-work)