diff --git a/tests/README.md b/tests/README.md
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index 00000000..eaed7128
--- /dev/null
+++ b/tests/README.md
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+Manual testcases
+----------------
+
+This directory contains various files and programs for manual testing of issues
+discovered in the past.
+
+
+Text files
+==========
+
+Just run `cat filename` in Konsole to verify that they are working. If
+rendering related, open in a competent graphical text editor to compare and/or
+in other terminal emulators.
+
+ - [Decomposed hangul: Testcase for commit 43744097](textfiles/text-files/decomposed-hangul.txt)
+ - [Characters available in 9x15, encoded in UTF-8](text-files/9x15.repertoire-utf8)
+ - [Box characters](text-files/boxes.txt)
+ - [Various URLs](text-files/cat_test_urls)
+ - [UTF-8 test file from the Kermit project](text-files/GLASS.utf8)
+ - [Emojis](text-files/emoji_test.txt)
+ - [Markus Kuhn's UTF-8 sample](text-files/UTF-8-demo.txt)
diff --git a/tests/9x15.repertoire-utf8 b/tests/text-files/9x15.repertoire-utf8
similarity index 100%
rename from tests/9x15.repertoire-utf8
rename to tests/text-files/9x15.repertoire-utf8
diff --git a/tests/GLASS.utf8 b/tests/text-files/GLASS.utf8
similarity index 100%
rename from tests/GLASS.utf8
rename to tests/text-files/GLASS.utf8
diff --git a/tests/UTF-8-demo.txt b/tests/text-files/UTF-8-demo.txt
similarity index 100%
rename from tests/UTF-8-demo.txt
rename to tests/text-files/UTF-8-demo.txt
diff --git a/tests/boxes.txt b/tests/text-files/boxes.txt
similarity index 100%
rename from tests/boxes.txt
rename to tests/text-files/boxes.txt
diff --git a/tests/cat_test_urls b/tests/text-files/cat_test_urls
similarity index 100%
rename from tests/cat_test_urls
rename to tests/text-files/cat_test_urls
diff --git a/tests/text-files/decomposed-hangul.txt b/tests/text-files/decomposed-hangul.txt
new file mode 100644
index 00000000..ac88fd5f
--- /dev/null
+++ b/tests/text-files/decomposed-hangul.txt
@@ -0,0 +1,2 @@
+ཧྐྵྨླྺྼྻྂ
+
diff --git a/tests/emoji_test.txt b/tests/text-files/emoji_test.txt
similarity index 100%
rename from tests/emoji_test.txt
rename to tests/text-files/emoji_test.txt
diff --git a/tests/unicode.txt b/tests/unicode.py
similarity index 100%
rename from tests/unicode.txt
rename to tests/unicode.py