linkcheck_patch

--- linkcheck.sh	2023-04-29 09:12:50.000000000 +0000
+++ l2.sh	2023-04-29 09:30:39.000000000 +0000
@@ -100,6 +100,35 @@
     mkdir linkchecker
     curl -o linkchecker/Cargo.toml ${url}/${nightly_hash}/src/tools/linkchecker/Cargo.toml
     curl -o linkchecker/main.rs ${url}/${nightly_hash}/src/tools/linkchecker/main.rs
+    patch linkchecker/main.rs <<EOF
+--- linkchecker/main.rs.orig    2023-12-01 17:22:04.104717143 +0100
++++ linkchecker/main.rs 2023-12-01 17:23:44.724694097 +0100
+@@ -151,6 +151,24 @@
+         .replace('[', "%5B")
+         .replace(']', "%5D")
+         .replace('\"', "%22")
++        .replace("Ą", "%C4%84")
++        .replace("Ć", "%C4%86")
++        .replace("Ę", "%C4%98")
++        .replace("Ł", "%C5%81")
++        .replace("Ń", "%C5%83")
++        .replace("Ó", "%C3%93")
++        .replace("Ś", "%C5%9A")
++        .replace("Ź", "%C5%B9")
++        .replace("Ż", "%C5%BB")
++        .replace("ą", "%C4%85")
++        .replace("ć", "%C4%87")
++        .replace("ę", "%C4%99")
++        .replace("ł", "%C5%82")
++        .replace("ń", "%C5%84")
++        .replace("ó", "%C3%B3")
++        .replace("ś", "%C5%9B")
++        .replace("ź", "%C5%BA")
++        .replace("ż", "%C5%BC")
+ }
+
+ impl Checker {
+EOF
 fi
 
 echo "Building book \"$book_name\"..."