diff --git a/changes.txt b/changes.txt
--- a/changes.txt
+++ b/changes.txt
@@ -1,3 +1,8 @@
+1.5.9.1
+-------
+
+- Added missing test file for scheme.
+
 1.5.9.0
 -------
 
diff --git a/lentil.cabal b/lentil.cabal
--- a/lentil.cabal
+++ b/lentil.cabal
@@ -1,6 +1,6 @@
 cabal-version:       3.0
 name:                lentil
-version:             1.5.9.0
+version:             1.5.9.1
 synopsis:            frugal issue tracker
 description:         minumum effort, cohesive issue tracker based on
                      ubiquitous @TODO@s and @FIXME@s conventions.
@@ -41,6 +41,7 @@
                      test/test-files/lang-comm/text.txt,
                      test/test-files/lang-comm/latex.tex,
                      test/test-files/lang-comm/zig.zig,
+                     test/test-files/lang-comm/scheme.scm,
                      test/test-files/specific/contiguous.c,
                      test/test-files/specific/cont-custom.c,
                      test/test-files/specific/latin1.c,
diff --git a/src/Main.hs b/src/Main.hs
--- a/src/Main.hs
+++ b/src/Main.hs
@@ -45,7 +45,7 @@
                                    short 'v'      S.<>
                                    help "show version and copyright info" )
     where
-          versionCopy = "\nlentil - frugal issue tracker, version 1.5.9.0\n\
+          versionCopy = "\nlentil - frugal issue tracker, version 1.5.9.1\n\
                         \(C) 2015-2024 Francesco Ariis - http://www.ariis.it\n\
                         \released under the GNU General Public License v3\n"
 
diff --git a/test/test-files/lang-comm/scheme.scm b/test/test-files/lang-comm/scheme.scm
new file mode 100644
--- /dev/null
+++ b/test/test-files/lang-comm/scheme.scm
@@ -0,0 +1,12 @@
+;; todo single
+; comment
+;;; Todo: single2
+
+(set! c "st/*ring") ; string
+(set! letter 'c') ; char
+
+; TODO: block1
+;  TODO: block2 [tog]
+
+
+;  end
