From: Vladimír Vondruš <mosra@centrum.cz>
Date: Sun, 7 Jun 2020 11:04:25 +0000 (+0200)
Subject: Updated copyright year.
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~cjwatson/git?a=commitdiff_plain;h=78da42a96fb9734f664be8edd91c4cc39e753c41;p=blog.git

Updated copyright year.
---

diff --git a/CONTRIBUTING.rst b/CONTRIBUTING.rst
index 89faa8af..985667c0 100644
--- a/CONTRIBUTING.rst
+++ b/CONTRIBUTING.rst
@@ -37,7 +37,7 @@ Code contribution
         /*
             This file is part of m.css.
 
-            Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+            Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
             Copyright © YEAR YOUR_NAME <your@mail.com>
 
             Permission is hereby granted, free of charge, to any person obtaining a
diff --git a/COPYING b/COPYING
index 95334994..27621944 100644
--- a/COPYING
+++ b/COPYING
@@ -1,4 +1,4 @@
-Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
 Permission is hereby granted, free of charge, to any person obtaining a
 copy of this software and associated documentation files (the "Software"),
diff --git a/css/m-components.css b/css/m-components.css
index 0573c48d..868c0634 100644
--- a/css/m-components.css
+++ b/css/m-components.css
@@ -1,7 +1,7 @@
 /*
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/css/m-dark+documentation.compiled.css b/css/m-dark+documentation.compiled.css
index 39ae0b9e..a10afe7b 100644
--- a/css/m-dark+documentation.compiled.css
+++ b/css/m-dark+documentation.compiled.css
@@ -3,7 +3,7 @@
 /*
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/css/m-dark.compiled.css b/css/m-dark.compiled.css
index b169ce77..0112d49a 100644
--- a/css/m-dark.compiled.css
+++ b/css/m-dark.compiled.css
@@ -3,7 +3,7 @@
 /*
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/css/m-dark.css b/css/m-dark.css
index dacd03dc..cfb88168 100644
--- a/css/m-dark.css
+++ b/css/m-dark.css
@@ -1,7 +1,7 @@
 /*
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/css/m-dark.documentation.compiled.css b/css/m-dark.documentation.compiled.css
index 105f52b0..cf075766 100644
--- a/css/m-dark.documentation.compiled.css
+++ b/css/m-dark.documentation.compiled.css
@@ -3,7 +3,7 @@
 /*
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/css/m-debug.css b/css/m-debug.css
index 385c5f6f..157bb89b 100644
--- a/css/m-debug.css
+++ b/css/m-debug.css
@@ -1,7 +1,7 @@
 /*
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/css/m-documentation.css b/css/m-documentation.css
index 6c0966f6..50fde307 100644
--- a/css/m-documentation.css
+++ b/css/m-documentation.css
@@ -1,7 +1,7 @@
 /*
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/css/m-grid.css b/css/m-grid.css
index 56b80beb..631c9435 100644
--- a/css/m-grid.css
+++ b/css/m-grid.css
@@ -1,7 +1,7 @@
 /*
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/css/m-layout.css b/css/m-layout.css
index 27931ac0..83ed0023 100644
--- a/css/m-layout.css
+++ b/css/m-layout.css
@@ -1,7 +1,7 @@
 /*
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/css/m-light+documentation.compiled.css b/css/m-light+documentation.compiled.css
index 85038d53..48c77bbc 100644
--- a/css/m-light+documentation.compiled.css
+++ b/css/m-light+documentation.compiled.css
@@ -3,7 +3,7 @@
 /*
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/css/m-light.compiled.css b/css/m-light.compiled.css
index 0c426c9a..a4a4c100 100644
--- a/css/m-light.compiled.css
+++ b/css/m-light.compiled.css
@@ -3,7 +3,7 @@
 /*
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/css/m-light.css b/css/m-light.css
index 4c83f9cb..dc77d3f6 100644
--- a/css/m-light.css
+++ b/css/m-light.css
@@ -1,7 +1,7 @@
 /*
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/css/m-light.documentation.compiled.css b/css/m-light.documentation.compiled.css
index 29d4c8b2..ddd370a2 100644
--- a/css/m-light.documentation.compiled.css
+++ b/css/m-light.documentation.compiled.css
@@ -3,7 +3,7 @@
 /*
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/css/m-theme-dark.css b/css/m-theme-dark.css
index f44314b0..64b9c455 100644
--- a/css/m-theme-dark.css
+++ b/css/m-theme-dark.css
@@ -1,7 +1,7 @@
 /*
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/css/m-theme-light.css b/css/m-theme-light.css
index 0a7d1495..18fdfc63 100644
--- a/css/m-theme-light.css
+++ b/css/m-theme-light.css
@@ -1,7 +1,7 @@
 /*
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/css/postprocess.py b/css/postprocess.py
index 5aee41a3..08171218 100755
--- a/css/postprocess.py
+++ b/css/postprocess.py
@@ -3,7 +3,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
@@ -141,7 +141,7 @@ def postprocess(files, process_imports, out_file):
 /*
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/css/pygments-console.py b/css/pygments-console.py
index 8ced5978..1fd5dbc6 100644
--- a/css/pygments-console.py
+++ b/css/pygments-console.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/css/pygments-dark.py b/css/pygments-dark.py
index 96d2d1e5..b2617c90 100644
--- a/css/pygments-dark.py
+++ b/css/pygments-dark.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/doc/admire/math.rst b/doc/admire/math.rst
index b075fd89..21b2ef0d 100644
--- a/doc/admire/math.rst
+++ b/doc/admire/math.rst
@@ -1,7 +1,7 @@
 ..
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/doc/css.rst b/doc/css.rst
index d4791fcc..95049217 100644
--- a/doc/css.rst
+++ b/doc/css.rst
@@ -1,7 +1,7 @@
 ..
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/doc/css/components-test.rst b/doc/css/components-test.rst
index f0e165b3..a65e5606 100644
--- a/doc/css/components-test.rst
+++ b/doc/css/components-test.rst
@@ -1,7 +1,7 @@
 ..
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/doc/css/components.rst b/doc/css/components.rst
index d2e055e5..62cec545 100644
--- a/doc/css/components.rst
+++ b/doc/css/components.rst
@@ -1,7 +1,7 @@
 ..
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/doc/css/grid-test.rst b/doc/css/grid-test.rst
index c17c5187..2cd77131 100644
--- a/doc/css/grid-test.rst
+++ b/doc/css/grid-test.rst
@@ -1,7 +1,7 @@
 ..
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/doc/css/grid.rst b/doc/css/grid.rst
index 221f54c3..5c802fba 100644
--- a/doc/css/grid.rst
+++ b/doc/css/grid.rst
@@ -1,7 +1,7 @@
 ..
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/doc/css/page-layout-test-navbar-brand-logo.html b/doc/css/page-layout-test-navbar-brand-logo.html
index eebca6a6..b84d817f 100644
--- a/doc/css/page-layout-test-navbar-brand-logo.html
+++ b/doc/css/page-layout-test-navbar-brand-logo.html
@@ -1,7 +1,7 @@
 <!--
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/doc/css/page-layout-test-navbar-subsite.html b/doc/css/page-layout-test-navbar-subsite.html
index 5774ced7..060494ad 100644
--- a/doc/css/page-layout-test-navbar-subsite.html
+++ b/doc/css/page-layout-test-navbar-subsite.html
@@ -1,7 +1,7 @@
 <!--
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/doc/css/page-layout-test.rst b/doc/css/page-layout-test.rst
index 98b23068..0270662d 100644
--- a/doc/css/page-layout-test.rst
+++ b/doc/css/page-layout-test.rst
@@ -1,7 +1,7 @@
 ..
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/doc/css/page-layout.rst b/doc/css/page-layout.rst
index d547ea88..6033c4d0 100644
--- a/doc/css/page-layout.rst
+++ b/doc/css/page-layout.rst
@@ -1,7 +1,7 @@
 ..
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/doc/css/themes.rst b/doc/css/themes.rst
index cff7a89b..83b8f595 100644
--- a/doc/css/themes.rst
+++ b/doc/css/themes.rst
@@ -1,7 +1,7 @@
 ..
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/doc/css/typography-test.rst b/doc/css/typography-test.rst
index 649f022b..ff5223e6 100644
--- a/doc/css/typography-test.rst
+++ b/doc/css/typography-test.rst
@@ -1,7 +1,7 @@
 ..
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/doc/css/typography.rst b/doc/css/typography.rst
index 88b0bd97..1b82ed92 100644
--- a/doc/css/typography.rst
+++ b/doc/css/typography.rst
@@ -1,7 +1,7 @@
 ..
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/doc/documentation.rst b/doc/documentation.rst
index 6c0de820..25ed3680 100644
--- a/doc/documentation.rst
+++ b/doc/documentation.rst
@@ -1,7 +1,7 @@
 ..
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/doc/documentation/doxygen-test.rst b/doc/documentation/doxygen-test.rst
index cd27d77c..0a7a8be4 100644
--- a/doc/documentation/doxygen-test.rst
+++ b/doc/documentation/doxygen-test.rst
@@ -1,7 +1,7 @@
 ..
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/doc/documentation/doxygen.rst b/doc/documentation/doxygen.rst
index 621abd9e..78f13ea7 100644
--- a/doc/documentation/doxygen.rst
+++ b/doc/documentation/doxygen.rst
@@ -1,7 +1,7 @@
 ..
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/doc/documentation/python.rst b/doc/documentation/python.rst
index 50b7630f..5496ff5d 100644
--- a/doc/documentation/python.rst
+++ b/doc/documentation/python.rst
@@ -1,7 +1,7 @@
 ..
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/doc/examples/article-hide-summary.rst b/doc/examples/article-hide-summary.rst
index bb9e0151..23c128e0 100644
--- a/doc/examples/article-hide-summary.rst
+++ b/doc/examples/article-hide-summary.rst
@@ -1,7 +1,7 @@
 ..
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/doc/examples/article.rst b/doc/examples/article.rst
index b955b33b..d9deba02 100644
--- a/doc/examples/article.rst
+++ b/doc/examples/article.rst
@@ -1,7 +1,7 @@
 ..
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/doc/examples/jumbo-article-hide-summary.rst b/doc/examples/jumbo-article-hide-summary.rst
index c9419dc8..9867377c 100644
--- a/doc/examples/jumbo-article-hide-summary.rst
+++ b/doc/examples/jumbo-article-hide-summary.rst
@@ -1,7 +1,7 @@
 ..
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/doc/examples/jumbo-article.rst b/doc/examples/jumbo-article.rst
index b4e64214..1bb5972e 100644
--- a/doc/examples/jumbo-article.rst
+++ b/doc/examples/jumbo-article.rst
@@ -1,7 +1,7 @@
 ..
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/doc/index.rst b/doc/index.rst
index 239fd237..8f04aff7 100644
--- a/doc/index.rst
+++ b/doc/index.rst
@@ -1,7 +1,7 @@
 ..
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/doc/plugins.rst b/doc/plugins.rst
index 00b82f7d..3cfe72c8 100644
--- a/doc/plugins.rst
+++ b/doc/plugins.rst
@@ -1,7 +1,7 @@
 ..
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/doc/plugins/components-test.rst b/doc/plugins/components-test.rst
index ade7c512..69ee6461 100644
--- a/doc/plugins/components-test.rst
+++ b/doc/plugins/components-test.rst
@@ -1,7 +1,7 @@
 ..
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/doc/plugins/components.rst b/doc/plugins/components.rst
index f3ae7bca..1c7f1517 100644
--- a/doc/plugins/components.rst
+++ b/doc/plugins/components.rst
@@ -1,7 +1,7 @@
 ..
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/doc/plugins/htmlsanity.rst b/doc/plugins/htmlsanity.rst
index 89040463..bba564d0 100644
--- a/doc/plugins/htmlsanity.rst
+++ b/doc/plugins/htmlsanity.rst
@@ -1,7 +1,7 @@
 ..
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/doc/plugins/images-test.rst b/doc/plugins/images-test.rst
index d599cbae..d6268c8d 100644
--- a/doc/plugins/images-test.rst
+++ b/doc/plugins/images-test.rst
@@ -1,7 +1,7 @@
 ..
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/doc/plugins/images.rst b/doc/plugins/images.rst
index c20a1782..bfd796f5 100644
--- a/doc/plugins/images.rst
+++ b/doc/plugins/images.rst
@@ -1,7 +1,7 @@
 ..
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/doc/plugins/links.rst b/doc/plugins/links.rst
index 41b723ce..cf7f6f0e 100644
--- a/doc/plugins/links.rst
+++ b/doc/plugins/links.rst
@@ -1,7 +1,7 @@
 ..
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/doc/plugins/math-and-code-test.rst b/doc/plugins/math-and-code-test.rst
index 8000c820..ca3320b1 100644
--- a/doc/plugins/math-and-code-test.rst
+++ b/doc/plugins/math-and-code-test.rst
@@ -1,7 +1,7 @@
 ..
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/doc/plugins/math-and-code.rst b/doc/plugins/math-and-code.rst
index 6ef1ae45..5c300994 100644
--- a/doc/plugins/math-and-code.rst
+++ b/doc/plugins/math-and-code.rst
@@ -1,7 +1,7 @@
 ..
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/doc/plugins/metadata.rst b/doc/plugins/metadata.rst
index b2cb7a88..a1736f82 100644
--- a/doc/plugins/metadata.rst
+++ b/doc/plugins/metadata.rst
@@ -1,7 +1,7 @@
 ..
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/doc/plugins/plots-and-graphs-test.rst b/doc/plugins/plots-and-graphs-test.rst
index b25915ab..89d5c945 100644
--- a/doc/plugins/plots-and-graphs-test.rst
+++ b/doc/plugins/plots-and-graphs-test.rst
@@ -1,7 +1,7 @@
 ..
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/doc/plugins/plots-and-graphs.rst b/doc/plugins/plots-and-graphs.rst
index 1545c87e..9df4345a 100644
--- a/doc/plugins/plots-and-graphs.rst
+++ b/doc/plugins/plots-and-graphs.rst
@@ -1,7 +1,7 @@
 ..
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/doc/plugins/sphinx.rst b/doc/plugins/sphinx.rst
index f43db5a5..062a0fc4 100644
--- a/doc/plugins/sphinx.rst
+++ b/doc/plugins/sphinx.rst
@@ -1,7 +1,7 @@
 ..
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/doc/themes.rst b/doc/themes.rst
index b62e6278..d315a26a 100644
--- a/doc/themes.rst
+++ b/doc/themes.rst
@@ -1,7 +1,7 @@
 ..
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/doc/themes/pelican.rst b/doc/themes/pelican.rst
index 9e51b4bd..2a243336 100644
--- a/doc/themes/pelican.rst
+++ b/doc/themes/pelican.rst
@@ -1,7 +1,7 @@
 ..
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/doc/themes/writing-rst-content.rst b/doc/themes/writing-rst-content.rst
index f0111c08..34b53bc7 100644
--- a/doc/themes/writing-rst-content.rst
+++ b/doc/themes/writing-rst-content.rst
@@ -1,7 +1,7 @@
 ..
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/doc/why.rst b/doc/why.rst
index df599a94..c4e8374c 100644
--- a/doc/why.rst
+++ b/doc/why.rst
@@ -1,7 +1,7 @@
 ..
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/documentation/__init__.py b/documentation/__init__.py
index e2a942e7..b30ff745 100644
--- a/documentation/__init__.py
+++ b/documentation/__init__.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/documentation/_search.py b/documentation/_search.py
index 482fd3d5..a5db63c0 100644
--- a/documentation/_search.py
+++ b/documentation/_search.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/documentation/doxygen.py b/documentation/doxygen.py
index 82641407..8ac8354a 100755
--- a/documentation/doxygen.py
+++ b/documentation/doxygen.py
@@ -3,7 +3,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/documentation/python.py b/documentation/python.py
index d6d9139f..a9cd0663 100755
--- a/documentation/python.py
+++ b/documentation/python.py
@@ -3,7 +3,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/documentation/search.js b/documentation/search.js
index a4f9a43f..56ba52fe 100644
--- a/documentation/search.js
+++ b/documentation/search.js
@@ -1,7 +1,7 @@
 /*
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/documentation/test/__init__.py b/documentation/test/__init__.py
index e2a942e7..b30ff745 100644
--- a/documentation/test/__init__.py
+++ b/documentation/test/__init__.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/documentation/test/_search_test_metadata.py b/documentation/test/_search_test_metadata.py
index abe6f1a2..33711f50 100644
--- a/documentation/test/_search_test_metadata.py
+++ b/documentation/test/_search_test_metadata.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/documentation/test/populate-js-test-data.py b/documentation/test/populate-js-test-data.py
index 07ffe5ef..424d545b 100755
--- a/documentation/test/populate-js-test-data.py
+++ b/documentation/test/populate-js-test-data.py
@@ -3,7 +3,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/documentation/test/test-search.js b/documentation/test/test-search.js
index 0efdd41d..faf19c13 100644
--- a/documentation/test/test-search.js
+++ b/documentation/test/test-search.js
@@ -1,7 +1,7 @@
 /*
     This file is part of m.css.
 
-    Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
diff --git a/documentation/test/test_search.py b/documentation/test/test_search.py
index 05424a4e..29450696 100755
--- a/documentation/test/test_search.py
+++ b/documentation/test/test_search.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/documentation/test_doxygen/__init__.py b/documentation/test_doxygen/__init__.py
index 229e7a18..f2b12d4f 100644
--- a/documentation/test_doxygen/__init__.py
+++ b/documentation/test_doxygen/__init__.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/documentation/test_doxygen/test_compound.py b/documentation/test_doxygen/test_compound.py
index 72d7f089..9450fa38 100644
--- a/documentation/test_doxygen/test_compound.py
+++ b/documentation/test_doxygen/test_compound.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/documentation/test_doxygen/test_contents.py b/documentation/test_doxygen/test_contents.py
index 72c510dc..abb2d28d 100644
--- a/documentation/test_doxygen/test_contents.py
+++ b/documentation/test_doxygen/test_contents.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/documentation/test_doxygen/test_cpp.py b/documentation/test_doxygen/test_cpp.py
index 0adc9aa9..366fd887 100644
--- a/documentation/test_doxygen/test_cpp.py
+++ b/documentation/test_doxygen/test_cpp.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/documentation/test_doxygen/test_doxyfile.py b/documentation/test_doxygen/test_doxyfile.py
index d656d00b..2e9dc9db 100644
--- a/documentation/test_doxygen/test_doxyfile.py
+++ b/documentation/test_doxygen/test_doxyfile.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/documentation/test_doxygen/test_example.py b/documentation/test_doxygen/test_example.py
index 94cb6d91..92f7752b 100644
--- a/documentation/test_doxygen/test_example.py
+++ b/documentation/test_doxygen/test_example.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/documentation/test_doxygen/test_layout.py b/documentation/test_doxygen/test_layout.py
index db48147c..e02b047b 100644
--- a/documentation/test_doxygen/test_layout.py
+++ b/documentation/test_doxygen/test_layout.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/documentation/test_doxygen/test_page.py b/documentation/test_doxygen/test_page.py
index 8fb9cd76..361fad9e 100644
--- a/documentation/test_doxygen/test_page.py
+++ b/documentation/test_doxygen/test_page.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/documentation/test_doxygen/test_search.py b/documentation/test_doxygen/test_search.py
index 8da0e12a..16cb37d6 100755
--- a/documentation/test_doxygen/test_search.py
+++ b/documentation/test_doxygen/test_search.py
@@ -3,7 +3,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/documentation/test_doxygen/test_undocumented.py b/documentation/test_doxygen/test_undocumented.py
index 496db226..bd9d0165 100644
--- a/documentation/test_doxygen/test_undocumented.py
+++ b/documentation/test_doxygen/test_undocumented.py
@@ -3,7 +3,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/documentation/test_doxygen/test_utility.py b/documentation/test_doxygen/test_utility.py
index b03bd53b..761c9620 100644
--- a/documentation/test_doxygen/test_utility.py
+++ b/documentation/test_doxygen/test_utility.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/documentation/test_python/CMakeLists.txt b/documentation/test_python/CMakeLists.txt
index 98424d47..7e868e18 100644
--- a/documentation/test_python/CMakeLists.txt
+++ b/documentation/test_python/CMakeLists.txt
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/documentation/test_python/__init__.py b/documentation/test_python/__init__.py
index 541d8b04..10699fc8 100644
--- a/documentation/test_python/__init__.py
+++ b/documentation/test_python/__init__.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/documentation/test_python/page_plugins/plugins/fancyline.py b/documentation/test_python/page_plugins/plugins/fancyline.py
index fa836605..c71995a3 100644
--- a/documentation/test_python/page_plugins/plugins/fancyline.py
+++ b/documentation/test_python/page_plugins/plugins/fancyline.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/documentation/test_python/test_content.py b/documentation/test_python/test_content.py
index e743731b..f87b0b8a 100644
--- a/documentation/test_python/test_content.py
+++ b/documentation/test_python/test_content.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/documentation/test_python/test_inspect.py b/documentation/test_python/test_inspect.py
index b198c740..c96bcdf0 100644
--- a/documentation/test_python/test_inspect.py
+++ b/documentation/test_python/test_inspect.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/documentation/test_python/test_layout.py b/documentation/test_python/test_layout.py
index 06fd32a2..ac23f85c 100644
--- a/documentation/test_python/test_layout.py
+++ b/documentation/test_python/test_layout.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/documentation/test_python/test_link_formatting.py b/documentation/test_python/test_link_formatting.py
index 9a3f7694..3fa81256 100644
--- a/documentation/test_python/test_link_formatting.py
+++ b/documentation/test_python/test_link_formatting.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/documentation/test_python/test_page.py b/documentation/test_python/test_page.py
index 9a95f430..0d412dbb 100644
--- a/documentation/test_python/test_page.py
+++ b/documentation/test_python/test_page.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/documentation/test_python/test_pybind.py b/documentation/test_python/test_pybind.py
index d301d8e0..2dbdf765 100644
--- a/documentation/test_python/test_pybind.py
+++ b/documentation/test_python/test_pybind.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/documentation/test_python/test_search.py b/documentation/test_python/test_search.py
index 2bb395c5..22c1324d 100644
--- a/documentation/test_python/test_search.py
+++ b/documentation/test_python/test_search.py
@@ -3,7 +3,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/pelican-theme/test/__init__.py b/pelican-theme/test/__init__.py
index a504653e..44e57514 100644
--- a/pelican-theme/test/__init__.py
+++ b/pelican-theme/test/__init__.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/pelican-theme/test/test_blog.py b/pelican-theme/test/test_blog.py
index 605ee802..e81e25d1 100644
--- a/pelican-theme/test/test_blog.py
+++ b/pelican-theme/test/test_blog.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/pelican-theme/test/test_layout.py b/pelican-theme/test/test_layout.py
index 2a9813f2..f66139fd 100644
--- a/pelican-theme/test/test_layout.py
+++ b/pelican-theme/test/test_layout.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/pelican-theme/test/test_page.py b/pelican-theme/test/test_page.py
index 0820487e..219c3d98 100644
--- a/pelican-theme/test/test_page.py
+++ b/pelican-theme/test/test_page.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/plugins/ansilexer.py b/plugins/ansilexer.py
index 945c5194..39538d8b 100644
--- a/plugins/ansilexer.py
+++ b/plugins/ansilexer.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/plugins/dot2svg.py b/plugins/dot2svg.py
index d7984d55..ae372ee2 100644
--- a/plugins/dot2svg.py
+++ b/plugins/dot2svg.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/plugins/latex2svgextra.py b/plugins/latex2svgextra.py
index df707181..4cd6695d 100644
--- a/plugins/latex2svgextra.py
+++ b/plugins/latex2svgextra.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/plugins/m/__init__.py b/plugins/m/__init__.py
index e22a530a..141f2d85 100644
--- a/plugins/m/__init__.py
+++ b/plugins/m/__init__.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/plugins/m/abbr.py b/plugins/m/abbr.py
index 80c4197d..591a9f8a 100644
--- a/plugins/m/abbr.py
+++ b/plugins/m/abbr.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/plugins/m/alias.py b/plugins/m/alias.py
index 83931ebd..3e793087 100644
--- a/plugins/m/alias.py
+++ b/plugins/m/alias.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Loosely based on https://github.com/Nitron/pelican-alias,
 #   copyright © 2013 Christopher Williams
diff --git a/plugins/m/code.py b/plugins/m/code.py
index 1f52c1c0..6d2a5572 100644
--- a/plugins/m/code.py
+++ b/plugins/m/code.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/plugins/m/components.py b/plugins/m/components.py
index 511c0428..07d522d3 100644
--- a/plugins/m/components.py
+++ b/plugins/m/components.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/plugins/m/dot.py b/plugins/m/dot.py
index 842fdb6e..366eb7a4 100644
--- a/plugins/m/dot.py
+++ b/plugins/m/dot.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/plugins/m/dox.py b/plugins/m/dox.py
index b6d2f138..4a0bca79 100644
--- a/plugins/m/dox.py
+++ b/plugins/m/dox.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/plugins/m/filesize.py b/plugins/m/filesize.py
index ac0dfed0..4b29ec80 100644
--- a/plugins/m/filesize.py
+++ b/plugins/m/filesize.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/plugins/m/gh.py b/plugins/m/gh.py
index c2c4cf94..34d65ccf 100644
--- a/plugins/m/gh.py
+++ b/plugins/m/gh.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/plugins/m/gl.py b/plugins/m/gl.py
index b0692874..4fe5a803 100644
--- a/plugins/m/gl.py
+++ b/plugins/m/gl.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/plugins/m/htmlsanity.py b/plugins/m/htmlsanity.py
index ce734f28..37ce0880 100644
--- a/plugins/m/htmlsanity.py
+++ b/plugins/m/htmlsanity.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/plugins/m/images.py b/plugins/m/images.py
index 07d1553d..388d7cae 100644
--- a/plugins/m/images.py
+++ b/plugins/m/images.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/plugins/m/link.py b/plugins/m/link.py
index 58e0decd..4069a3a4 100644
--- a/plugins/m/link.py
+++ b/plugins/m/link.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/plugins/m/math.py b/plugins/m/math.py
index 2a36fb60..05a35d3f 100644
--- a/plugins/m/math.py
+++ b/plugins/m/math.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/plugins/m/metadata.py b/plugins/m/metadata.py
index 5fa4e1ef..6b8bd70a 100644
--- a/plugins/m/metadata.py
+++ b/plugins/m/metadata.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/plugins/m/plots.py b/plugins/m/plots.py
index 1c258bd7..a2d861f4 100644
--- a/plugins/m/plots.py
+++ b/plugins/m/plots.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/plugins/m/qr.py b/plugins/m/qr.py
index faa20d40..137f036e 100644
--- a/plugins/m/qr.py
+++ b/plugins/m/qr.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/plugins/m/sphinx.py b/plugins/m/sphinx.py
index ba7db45e..da8d0354 100755
--- a/plugins/m/sphinx.py
+++ b/plugins/m/sphinx.py
@@ -3,7 +3,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/plugins/m/test/__init__.py b/plugins/m/test/__init__.py
index 4c881c21..b638fbf0 100644
--- a/plugins/m/test/__init__.py
+++ b/plugins/m/test/__init__.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/plugins/m/test/test_abbr.py b/plugins/m/test/test_abbr.py
index 721fbbaa..2a93fbe8 100644
--- a/plugins/m/test/test_abbr.py
+++ b/plugins/m/test/test_abbr.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/plugins/m/test/test_alias.py b/plugins/m/test/test_alias.py
index 85fa2bd5..ead0d04e 100644
--- a/plugins/m/test/test_alias.py
+++ b/plugins/m/test/test_alias.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/plugins/m/test/test_code.py b/plugins/m/test/test_code.py
index 2b6ed0c9..820d2427 100644
--- a/plugins/m/test/test_code.py
+++ b/plugins/m/test/test_code.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/plugins/m/test/test_components.py b/plugins/m/test/test_components.py
index cba039ab..f31b908b 100644
--- a/plugins/m/test/test_components.py
+++ b/plugins/m/test/test_components.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/plugins/m/test/test_dot.py b/plugins/m/test/test_dot.py
index f889ca33..fd366706 100644
--- a/plugins/m/test/test_dot.py
+++ b/plugins/m/test/test_dot.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/plugins/m/test/test_dox.py b/plugins/m/test/test_dox.py
index 58c42a7a..517ef255 100644
--- a/plugins/m/test/test_dox.py
+++ b/plugins/m/test/test_dox.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/plugins/m/test/test_filesize.py b/plugins/m/test/test_filesize.py
index 5793b494..8ee8b539 100644
--- a/plugins/m/test/test_filesize.py
+++ b/plugins/m/test/test_filesize.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/plugins/m/test/test_gh.py b/plugins/m/test/test_gh.py
index 61298f79..013cff89 100644
--- a/plugins/m/test/test_gh.py
+++ b/plugins/m/test/test_gh.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/plugins/m/test/test_gl.py b/plugins/m/test/test_gl.py
index a12e595c..24190fe7 100644
--- a/plugins/m/test/test_gl.py
+++ b/plugins/m/test/test_gl.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/plugins/m/test/test_htmlsanity.py b/plugins/m/test/test_htmlsanity.py
index b210f50c..619a6749 100644
--- a/plugins/m/test/test_htmlsanity.py
+++ b/plugins/m/test/test_htmlsanity.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/plugins/m/test/test_images.py b/plugins/m/test/test_images.py
index 0233c5dd..afb3e5dc 100644
--- a/plugins/m/test/test_images.py
+++ b/plugins/m/test/test_images.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/plugins/m/test/test_link.py b/plugins/m/test/test_link.py
index acd62f72..d1ff5f42 100644
--- a/plugins/m/test/test_link.py
+++ b/plugins/m/test/test_link.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/plugins/m/test/test_math.py b/plugins/m/test/test_math.py
index df992e72..e7ebf1b7 100644
--- a/plugins/m/test/test_math.py
+++ b/plugins/m/test/test_math.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/plugins/m/test/test_metadata.py b/plugins/m/test/test_metadata.py
index 44e1a574..d409b240 100644
--- a/plugins/m/test/test_metadata.py
+++ b/plugins/m/test/test_metadata.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/plugins/m/test/test_plots.py b/plugins/m/test/test_plots.py
index b7d57141..7c48e289 100644
--- a/plugins/m/test/test_plots.py
+++ b/plugins/m/test/test_plots.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/plugins/m/test/test_qr.py b/plugins/m/test/test_qr.py
index d67afd70..f305f1d4 100644
--- a/plugins/m/test/test_qr.py
+++ b/plugins/m/test/test_qr.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/plugins/m/test/test_sphinx.py b/plugins/m/test/test_sphinx.py
index 9b868a80..000adfc2 100644
--- a/plugins/m/test/test_sphinx.py
+++ b/plugins/m/test/test_sphinx.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/plugins/m/test/test_vk.py b/plugins/m/test/test_vk.py
index 8fe030f1..c9bbb675 100644
--- a/plugins/m/test/test_vk.py
+++ b/plugins/m/test/test_vk.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/plugins/m/vk.py b/plugins/m/vk.py
index a18a7ceb..0c3f3ab3 100644
--- a/plugins/m/vk.py
+++ b/plugins/m/vk.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
diff --git a/site/pelicanconf.py b/site/pelicanconf.py
index 3e6008c2..dd0245a3 100644
--- a/site/pelicanconf.py
+++ b/site/pelicanconf.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),
@@ -131,7 +131,7 @@ M_LINKS_FOOTER4 = [('Plugins', 'plugins/'),
                    ('Sphinx', 'plugins/sphinx/')]
 
 M_FINE_PRINT = """
-| m.css. Copyright © `Vladimír Vondruš <http://mosra.cz>`_, 2017--2019. Site
+| m.css. Copyright © `Vladimír Vondruš <http://mosra.cz>`_, 2017--2020. Site
   powered by `Pelican <https://getpelican.com>`_ and m.css.
 | Code and content is `available on GitHub under MIT <https://github.com/mosra/m.css>`_.
   Contact the author via `Gitter <https://gitter.im/mosra/m.css>`_,
diff --git a/site/publishconf.py b/site/publishconf.py
index 70a43b89..3008e67c 100644
--- a/site/publishconf.py
+++ b/site/publishconf.py
@@ -1,7 +1,7 @@
 #
 #   This file is part of m.css.
 #
-#   Copyright © 2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2017, 2018, 2019, 2020 Vladimír Vondruš <mosra@centrum.cz>
 #
 #   Permission is hereby granted, free of charge, to any person obtaining a
 #   copy of this software and associated documentation files (the "Software"),