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index 37f6c7c..5303a9d 100644
--- a/build/articles/latex-endeavors.html
+++ b/build/articles/latex-endeavors.html
@@ -60,9 +60,9 @@ message</p>
 </main>
 <footer id="page-footer">
 <nav id="webring">
-<a href="https://cups.teabucket.eu/prev?from=never" target="_parent"><img alt="Previous" src="images/cups_left.svg" width="30" height="30"></a>
-<a href="https://cups.teabucket.eu/" target="_parent"><img alt="CUPS" src="images/cups_logo.svg" width="120" height="60"></a>
-<a href="https://cups.teabucket.eu/next?from=never" target="_parent"><img alt="Next" src="images/cups_right.svg" width="30" height="30"></a>
+<a href="https://cups.teabucket.eu/prev?from=never" target="_parent"><img alt="Previous" src="images/cups_left_dark.svg" width="30" height="30"></a>
+<a href="https://cups.teabucket.eu/" target="_parent"><img alt="CUPS" src="images/cups_logo_dark.svg" width="120" height="60"></a>
+<a href="https://cups.teabucket.eu/next?from=never" target="_parent"><img alt="Next" src="images/cups_right_dark.svg" width="30" height="30"></a>
 </nav>
 </footer>
 </body>
diff --git a/build/articles/random-linux-utils.html b/build/articles/random-linux-utils.html
index 691abab..c44f6b3 100644
--- a/build/articles/random-linux-utils.html
+++ b/build/articles/random-linux-utils.html
@@ -129,9 +129,9 @@ class="sourceCode bash"><code class="sourceCode bash"><span id="cb1-1"><a href="
 </main>
 <footer id="page-footer">
 <nav id="webring">
-<a href="https://cups.teabucket.eu/prev?from=never" target="_parent"><img alt="Previous" src="images/cups_left.svg" width="30" height="30"></a>
-<a href="https://cups.teabucket.eu/" target="_parent"><img alt="CUPS" src="images/cups_logo.svg" width="120" height="60"></a>
-<a href="https://cups.teabucket.eu/next?from=never" target="_parent"><img alt="Next" src="images/cups_right.svg" width="30" height="30"></a>
+<a href="https://cups.teabucket.eu/prev?from=never" target="_parent"><img alt="Previous" src="images/cups_left_dark.svg" width="30" height="30"></a>
+<a href="https://cups.teabucket.eu/" target="_parent"><img alt="CUPS" src="images/cups_logo_dark.svg" width="120" height="60"></a>
+<a href="https://cups.teabucket.eu/next?from=never" target="_parent"><img alt="Next" src="images/cups_right_dark.svg" width="30" height="30"></a>
 </nav>
 </footer>
 </body>
diff --git a/build/articles/rsync-android.html b/build/articles/rsync-android.html
index d2de5ce..d7a6a2f 100644
--- a/build/articles/rsync-android.html
+++ b/build/articles/rsync-android.html
@@ -210,9 +210,9 @@ class="sourceCode sh"><code class="sourceCode bash"><span id="cb18-1"><a href="#
 </main>
 <footer id="page-footer">
 <nav id="webring">
-<a href="https://cups.teabucket.eu/prev?from=never" target="_parent"><img alt="Previous" src="images/cups_left.svg" width="30" height="30"></a>
-<a href="https://cups.teabucket.eu/" target="_parent"><img alt="CUPS" src="images/cups_logo.svg" width="120" height="60"></a>
-<a href="https://cups.teabucket.eu/next?from=never" target="_parent"><img alt="Next" src="images/cups_right.svg" width="30" height="30"></a>
+<a href="https://cups.teabucket.eu/prev?from=never" target="_parent"><img alt="Previous" src="images/cups_left_dark.svg" width="30" height="30"></a>
+<a href="https://cups.teabucket.eu/" target="_parent"><img alt="CUPS" src="images/cups_logo_dark.svg" width="120" height="60"></a>
+<a href="https://cups.teabucket.eu/next?from=never" target="_parent"><img alt="Next" src="images/cups_right_dark.svg" width="30" height="30"></a>
 </nav>
 </footer>
 </body>
diff --git a/build/index.html b/build/index.html
index e10ca4b..199ab24 100644
--- a/build/index.html
+++ b/build/index.html
@@ -156,9 +156,9 @@ tweaking my Linux sytem or trying to do productive things.</p>
 </main>
 <footer id="page-footer">
 <nav id="webring">
-<a href="https://cups.teabucket.eu/prev?from=never" target="_parent"><img alt="Previous" src="images/cups_left.svg" width="30" height="30"></a>
-<a href="https://cups.teabucket.eu/" target="_parent"><img alt="CUPS" src="images/cups_logo.svg" width="120" height="60"></a>
-<a href="https://cups.teabucket.eu/next?from=never" target="_parent"><img alt="Next" src="images/cups_right.svg" width="30" height="30"></a>
+<a href="https://cups.teabucket.eu/prev?from=never" target="_parent"><img alt="Previous" src="images/cups_left_dark.svg" width="30" height="30"></a>
+<a href="https://cups.teabucket.eu/" target="_parent"><img alt="CUPS" src="images/cups_logo_dark.svg" width="120" height="60"></a>
+<a href="https://cups.teabucket.eu/next?from=never" target="_parent"><img alt="Next" src="images/cups_right_dark.svg" width="30" height="30"></a>
 </nav>
 </footer>
 </body>
diff --git a/build/rss.xml b/build/rss.xml
index 1bc01c9..d7d1bc7 100644
--- a/build/rss.xml
+++ b/build/rss.xml
@@ -6,7 +6,7 @@
 <description>Here I post random stuff.</description>
 <language>en-us</language>
 <pubDate>Mon, 12 Jan 2026 00:00:00 +0100</pubDate>
-<lastBuildDate>Sat, 21 Feb 2026 02:06:53 +0100</lastBuildDate>
+<lastBuildDate>Sat, 21 Feb 2026 15:40:08 +0100</lastBuildDate>
 <docs>https://www.rssboard.org/rss-specification</docs>
 <generator>pandoc</generator>
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diff --git a/pandoc/html-template.html b/pandoc/html-template.html
index fe3ca16..a91d2af 100644
--- a/pandoc/html-template.html
+++ b/pandoc/html-template.html
@@ -105,9 +105,9 @@ $endif$
 </main>
 <footer id="page-footer">
 <nav id="webring">
-<a href="https://cups.teabucket.eu/prev?from=never" target="_parent"><img alt="Previous" src="images/cups_left.svg" width="30" height="30"></a>
-<a href="https://cups.teabucket.eu/" target="_parent"><img alt="CUPS" src="images/cups_logo.svg" width="120" height="60"></a>
-<a href="https://cups.teabucket.eu/next?from=never" target="_parent"><img alt="Next" src="images/cups_right.svg" width="30" height="30"></a>
+<a href="https://cups.teabucket.eu/prev?from=never" target="_parent"><img alt="Previous" src="images/cups_left_dark.svg" width="30" height="30"></a>
+<a href="https://cups.teabucket.eu/" target="_parent"><img alt="CUPS" src="images/cups_logo_dark.svg" width="120" height="60"></a>
+<a href="https://cups.teabucket.eu/next?from=never" target="_parent"><img alt="Next" src="images/cups_right_dark.svg" width="30" height="30"></a>
 </nav>
 </footer>
 $for(include-after)$
diff --git a/public_html/eh/eh/eh/eh-eh/index.html b/public_html/eh/eh/eh/eh-eh/index.html
index e10ca4b..199ab24 100644
--- a/public_html/eh/eh/eh/eh-eh/index.html
+++ b/public_html/eh/eh/eh/eh-eh/index.html
@@ -156,9 +156,9 @@ tweaking my Linux sytem or trying to do productive things.</p>
 </main>
 <footer id="page-footer">
 <nav id="webring">
-<a href="https://cups.teabucket.eu/prev?from=never" target="_parent"><img alt="Previous" src="images/cups_left.svg" width="30" height="30"></a>
-<a href="https://cups.teabucket.eu/" target="_parent"><img alt="CUPS" src="images/cups_logo.svg" width="120" height="60"></a>
-<a href="https://cups.teabucket.eu/next?from=never" target="_parent"><img alt="Next" src="images/cups_right.svg" width="30" height="30"></a>
+<a href="https://cups.teabucket.eu/prev?from=never" target="_parent"><img alt="Previous" src="images/cups_left_dark.svg" width="30" height="30"></a>
+<a href="https://cups.teabucket.eu/" target="_parent"><img alt="CUPS" src="images/cups_logo_dark.svg" width="120" height="60"></a>
+<a href="https://cups.teabucket.eu/next?from=never" target="_parent"><img alt="Next" src="images/cups_right_dark.svg" width="30" height="30"></a>
 </nav>
 </footer>
 </body>
diff --git a/public_html/eh/eh/eh/eh-eh/latex-endeavors.html b/public_html/eh/eh/eh/eh-eh/latex-endeavors.html
index 37f6c7c..5303a9d 100644
--- a/public_html/eh/eh/eh/eh-eh/latex-endeavors.html
+++ b/public_html/eh/eh/eh/eh-eh/latex-endeavors.html
@@ -60,9 +60,9 @@ message</p>
 </main>
 <footer id="page-footer">
 <nav id="webring">
-<a href="https://cups.teabucket.eu/prev?from=never" target="_parent"><img alt="Previous" src="images/cups_left.svg" width="30" height="30"></a>
-<a href="https://cups.teabucket.eu/" target="_parent"><img alt="CUPS" src="images/cups_logo.svg" width="120" height="60"></a>
-<a href="https://cups.teabucket.eu/next?from=never" target="_parent"><img alt="Next" src="images/cups_right.svg" width="30" height="30"></a>
+<a href="https://cups.teabucket.eu/prev?from=never" target="_parent"><img alt="Previous" src="images/cups_left_dark.svg" width="30" height="30"></a>
+<a href="https://cups.teabucket.eu/" target="_parent"><img alt="CUPS" src="images/cups_logo_dark.svg" width="120" height="60"></a>
+<a href="https://cups.teabucket.eu/next?from=never" target="_parent"><img alt="Next" src="images/cups_right_dark.svg" width="30" height="30"></a>
 </nav>
 </footer>
 </body>
diff --git a/public_html/eh/eh/eh/eh-eh/random-linux-utils.html b/public_html/eh/eh/eh/eh-eh/random-linux-utils.html
index 691abab..c44f6b3 100644
--- a/public_html/eh/eh/eh/eh-eh/random-linux-utils.html
+++ b/public_html/eh/eh/eh/eh-eh/random-linux-utils.html
@@ -129,9 +129,9 @@ class="sourceCode bash"><code class="sourceCode bash"><span id="cb1-1"><a href="
 </main>
 <footer id="page-footer">
 <nav id="webring">
-<a href="https://cups.teabucket.eu/prev?from=never" target="_parent"><img alt="Previous" src="images/cups_left.svg" width="30" height="30"></a>
-<a href="https://cups.teabucket.eu/" target="_parent"><img alt="CUPS" src="images/cups_logo.svg" width="120" height="60"></a>
-<a href="https://cups.teabucket.eu/next?from=never" target="_parent"><img alt="Next" src="images/cups_right.svg" width="30" height="30"></a>
+<a href="https://cups.teabucket.eu/prev?from=never" target="_parent"><img alt="Previous" src="images/cups_left_dark.svg" width="30" height="30"></a>
+<a href="https://cups.teabucket.eu/" target="_parent"><img alt="CUPS" src="images/cups_logo_dark.svg" width="120" height="60"></a>
+<a href="https://cups.teabucket.eu/next?from=never" target="_parent"><img alt="Next" src="images/cups_right_dark.svg" width="30" height="30"></a>
 </nav>
 </footer>
 </body>
diff --git a/public_html/eh/eh/eh/eh-eh/rss.xml b/public_html/eh/eh/eh/eh-eh/rss.xml
index 1bc01c9..d7d1bc7 100644
--- a/public_html/eh/eh/eh/eh-eh/rss.xml
+++ b/public_html/eh/eh/eh/eh-eh/rss.xml
@@ -6,7 +6,7 @@
 <description>Here I post random stuff.</description>
 <language>en-us</language>
 <pubDate>Mon, 12 Jan 2026 00:00:00 +0100</pubDate>
-<lastBuildDate>Sat, 21 Feb 2026 02:06:53 +0100</lastBuildDate>
+<lastBuildDate>Sat, 21 Feb 2026 15:40:08 +0100</lastBuildDate>
 <docs>https://www.rssboard.org/rss-specification</docs>
 <generator>pandoc</generator>
 <managingEditor>n.gude@posteo.de (Never)</managingEditor>
diff --git a/public_html/eh/eh/eh/eh-eh/rsync-android.html b/public_html/eh/eh/eh/eh-eh/rsync-android.html
index d2de5ce..d7a6a2f 100644
--- a/public_html/eh/eh/eh/eh-eh/rsync-android.html
+++ b/public_html/eh/eh/eh/eh-eh/rsync-android.html
@@ -210,9 +210,9 @@ class="sourceCode sh"><code class="sourceCode bash"><span id="cb18-1"><a href="#
 </main>
 <footer id="page-footer">
 <nav id="webring">
-<a href="https://cups.teabucket.eu/prev?from=never" target="_parent"><img alt="Previous" src="images/cups_left.svg" width="30" height="30"></a>
-<a href="https://cups.teabucket.eu/" target="_parent"><img alt="CUPS" src="images/cups_logo.svg" width="120" height="60"></a>
-<a href="https://cups.teabucket.eu/next?from=never" target="_parent"><img alt="Next" src="images/cups_right.svg" width="30" height="30"></a>
+<a href="https://cups.teabucket.eu/prev?from=never" target="_parent"><img alt="Previous" src="images/cups_left_dark.svg" width="30" height="30"></a>
+<a href="https://cups.teabucket.eu/" target="_parent"><img alt="CUPS" src="images/cups_logo_dark.svg" width="120" height="60"></a>
+<a href="https://cups.teabucket.eu/next?from=never" target="_parent"><img alt="Next" src="images/cups_right_dark.svg" width="30" height="30"></a>
 </nav>
 </footer>
 </body>
diff --git a/public_html/eh/eh/eh/eh-eh/scripts/shork.js b/public_html/eh/eh/eh/eh-eh/scripts/shork.js
index 34d09ee..be373f1 100644
--- a/public_html/eh/eh/eh/eh-eh/scripts/shork.js
+++ b/public_html/eh/eh/eh/eh-eh/scripts/shork.js
@@ -41,14 +41,6 @@ function add(v, u) {
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 }
 
-function equal(v, u, a) {
-	return (Math.abs(v.x - u.x) < a && Math.abs(v.y - u.y) < a);
-}
-
-function distance(x, y, a) {
-	return (norm(vector(x, y)) >= a);
-}
-
 function round(v) {
 	return {x: Math.round(v.x), y: Math.round(v.y)};
 }