🔧 Massive update to personal gentoo configs

gentoo/dotfiles/.zsh/zsh-autocomplete/Completions/_autocomplete__unambiguous

@@ -0,0 +1,45 @@
+#autoload
+
+[[ $_comp_tags == *\ (history-lines|recent-)* ]] &&
+    return 1
+
+# Is not going to be correct.
+[[ -v _autocomplete__partial_list ]] &&
+    return 1
+
+# No need to update.
+[[ $compstate[old_list] == keep ]] &&
+    return 1
+
+# Doesn't make sense to show.
+(( compstate[nmatches] < 2 )) &&
+    return 1
+
+# Nothing to insert.
+[[ -z $compstate[unambiguous] ]] &&
+    return 1
+
+# Substring is already present.
+local -P word=$IPREFIX$PREFIX$SUFFIX$ISUFFIX
+[[ -n $word && $word == *$compstate[unambiguous]* ]] &&
+    return 1
+
+local -P tag=unambiguous
+_tags $tag
+_tags ||
+    return
+_requested $tag ||
+    return
+
+typeset -g _autocomplete__unambiguous="$compstate[unambiguous]"
+
+# Retrieve highlight value.
+local format
+zstyle -s ":completion:${curcontext}:unambiguous" format format ||
+    format=$'%{\e[0;2m%}%Bcommon substring:%b %0F%11K%d%f%k'
+
+zformat -F format "$format" "d:$compstate[unambiguous]"
+
+builtin compadd -J "$tag" -x "$format"
+
+false