diff -Nru rkward-0.7.5+0.7.6+devel1/debian/changelog rkward-0.7.5+0.7.6+devel1/debian/changelog
--- rkward-0.7.5+0.7.6+devel1/debian/changelog	2023-05-30 05:34:19.000000000 +0000
+++ rkward-0.7.5+0.7.6+devel1/debian/changelog	2023-05-31 05:34:40.000000000 +0000
@@ -1,8 +1,8 @@
-rkward (0.7.5+0.7.6+devel1-0daily+202305300534~ubuntu18.04.1) bionic; urgency=low
+rkward (0.7.5+0.7.6+devel1-0daily+202305310534~ubuntu18.04.1) bionic; urgency=low
 
   * Auto build.
 
- -- RKWard Team <rkward-tracker@kde.org>  Tue, 30 May 2023 05:34:19 +0000
+ -- RKWard Team <rkward-tracker@kde.org>  Wed, 31 May 2023 05:34:40 +0000
 
 rkward (0.7.5+0.7.6+devel1) UNRELEASED; urgency=low
   * New upstream release
diff -Nru rkward-0.7.5+0.7.6+devel1/debian/git-build-recipe.manifest rkward-0.7.5+0.7.6+devel1/debian/git-build-recipe.manifest
--- rkward-0.7.5+0.7.6+devel1/debian/git-build-recipe.manifest	2023-05-30 05:34:19.000000000 +0000
+++ rkward-0.7.5+0.7.6+devel1/debian/git-build-recipe.manifest	2023-05-31 05:34:40.000000000 +0000
@@ -1,3 +1,3 @@
-# git-build-recipe format 0.4 deb-version {debupstream}-0daily+202305300534
-lp:rkward git-commit:99682518120662bb4f23341380ff3a2d25a89e0a
+# git-build-recipe format 0.4 deb-version {debupstream}-0daily+202305310534
+lp:rkward git-commit:a5860eb64bd2355d0e456852bf45f57a7cd3b547
 nest packaging lp:~rkward-devel/rkward/+git/debian-packaging debian git-commit:d404432d45206b5754d7c3e9c55ddcde3323aed1
diff -Nru rkward-0.7.5+0.7.6+devel1/po/ja/rkward__analysis.po rkward-0.7.5+0.7.6+devel1/po/ja/rkward__analysis.po
--- rkward-0.7.5+0.7.6+devel1/po/ja/rkward__analysis.po	2023-05-30 05:34:15.000000000 +0000
+++ rkward-0.7.5+0.7.6+devel1/po/ja/rkward__analysis.po	2023-05-31 05:34:32.000000000 +0000
@@ -10,7 +10,7 @@
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Plural-Forms: nplurals=2; plural=n != 1;\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
 "X-Accelerator-Marker: &\n"
 "X-Text-Markup: kde4\n"
 
diff -Nru rkward-0.7.5+0.7.6+devel1/po/ja/rkward__data.po rkward-0.7.5+0.7.6+devel1/po/ja/rkward__data.po
--- rkward-0.7.5+0.7.6+devel1/po/ja/rkward__data.po	2023-05-30 05:34:15.000000000 +0000
+++ rkward-0.7.5+0.7.6+devel1/po/ja/rkward__data.po	2023-05-31 05:34:32.000000000 +0000
@@ -10,7 +10,7 @@
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Plural-Forms: nplurals=2; plural=n != 1;\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
 "X-Accelerator-Marker: &\n"
 "X-Text-Markup: kde4\n"
 
diff -Nru rkward-0.7.5+0.7.6+devel1/po/ja/rkward__distributions.po rkward-0.7.5+0.7.6+devel1/po/ja/rkward__distributions.po
--- rkward-0.7.5+0.7.6+devel1/po/ja/rkward__distributions.po	2023-05-30 05:34:15.000000000 +0000
+++ rkward-0.7.5+0.7.6+devel1/po/ja/rkward__distributions.po	2023-05-31 05:34:32.000000000 +0000
@@ -10,7 +10,7 @@
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Plural-Forms: nplurals=2; plural=n != 1;\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
 "X-Accelerator-Marker: &\n"
 "X-Text-Markup: kde4\n"
 
diff -Nru rkward-0.7.5+0.7.6+devel1/po/ja/rkward__embedded.po rkward-0.7.5+0.7.6+devel1/po/ja/rkward__embedded.po
--- rkward-0.7.5+0.7.6+devel1/po/ja/rkward__embedded.po	2023-05-30 05:34:15.000000000 +0000
+++ rkward-0.7.5+0.7.6+devel1/po/ja/rkward__embedded.po	2023-05-31 05:34:32.000000000 +0000
@@ -10,7 +10,7 @@
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Plural-Forms: nplurals=2; plural=n != 1;\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
 "X-Accelerator-Marker: &\n"
 "X-Text-Markup: kde4\n"
 
diff -Nru rkward-0.7.5+0.7.6+devel1/po/ja/rkward__graphics_device.po rkward-0.7.5+0.7.6+devel1/po/ja/rkward__graphics_device.po
--- rkward-0.7.5+0.7.6+devel1/po/ja/rkward__graphics_device.po	2023-05-30 05:34:15.000000000 +0000
+++ rkward-0.7.5+0.7.6+devel1/po/ja/rkward__graphics_device.po	2023-05-31 05:34:32.000000000 +0000
@@ -10,7 +10,7 @@
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Plural-Forms: nplurals=2; plural=n != 1;\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
 "X-Accelerator-Marker: &\n"
 "X-Text-Markup: kde4\n"
 
diff -Nru rkward-0.7.5+0.7.6+devel1/po/ja/rkward__import_export.po rkward-0.7.5+0.7.6+devel1/po/ja/rkward__import_export.po
--- rkward-0.7.5+0.7.6+devel1/po/ja/rkward__import_export.po	2023-05-30 05:34:15.000000000 +0000
+++ rkward-0.7.5+0.7.6+devel1/po/ja/rkward__import_export.po	2023-05-31 05:34:32.000000000 +0000
@@ -10,7 +10,7 @@
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Plural-Forms: nplurals=2; plural=n != 1;\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
 "X-Accelerator-Marker: &\n"
 "X-Text-Markup: kde4\n"
 
diff -Nru rkward-0.7.5+0.7.6+devel1/po/ja/rkward__item_response_theory.po rkward-0.7.5+0.7.6+devel1/po/ja/rkward__item_response_theory.po
--- rkward-0.7.5+0.7.6+devel1/po/ja/rkward__item_response_theory.po	2023-05-30 05:34:15.000000000 +0000
+++ rkward-0.7.5+0.7.6+devel1/po/ja/rkward__item_response_theory.po	2023-05-31 05:34:32.000000000 +0000
@@ -10,7 +10,7 @@
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Plural-Forms: nplurals=2; plural=n != 1;\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
 "X-Accelerator-Marker: &\n"
 "X-Text-Markup: kde4\n"
 
diff -Nru rkward-0.7.5+0.7.6+devel1/po/ja/rkward__pages.po rkward-0.7.5+0.7.6+devel1/po/ja/rkward__pages.po
--- rkward-0.7.5+0.7.6+devel1/po/ja/rkward__pages.po	2023-05-30 05:34:15.000000000 +0000
+++ rkward-0.7.5+0.7.6+devel1/po/ja/rkward__pages.po	2023-05-31 05:34:32.000000000 +0000
@@ -10,7 +10,7 @@
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Plural-Forms: nplurals=2; plural=n != 1;\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
 "X-Accelerator-Marker: &\n"
 "X-Text-Markup: kde4\n"
 
diff -Nru rkward-0.7.5+0.7.6+devel1/po/ja/rkward__plots.po rkward-0.7.5+0.7.6+devel1/po/ja/rkward__plots.po
--- rkward-0.7.5+0.7.6+devel1/po/ja/rkward__plots.po	2023-05-30 05:34:15.000000000 +0000
+++ rkward-0.7.5+0.7.6+devel1/po/ja/rkward__plots.po	2023-05-31 05:34:32.000000000 +0000
@@ -10,7 +10,7 @@
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Plural-Forms: nplurals=2; plural=n != 1;\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
 "X-Accelerator-Marker: &\n"
 "X-Text-Markup: kde4\n"
 
diff -Nru rkward-0.7.5+0.7.6+devel1/po/ja/rkward.po rkward-0.7.5+0.7.6+devel1/po/ja/rkward.po
--- rkward-0.7.5+0.7.6+devel1/po/ja/rkward.po	2023-05-30 05:34:15.000000000 +0000
+++ rkward-0.7.5+0.7.6+devel1/po/ja/rkward.po	2023-05-31 05:34:32.000000000 +0000
@@ -10,7 +10,7 @@
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Plural-Forms: nplurals=2; plural=n != 1;\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
 "X-Accelerator-Marker: &\n"
 "X-Text-Markup: kde4\n"
 
@@ -1248,7 +1248,6 @@
 "<p>%1 workspace recovery files exist, the most recent one of which dates "
 "from <i>%2</i>.</p>"
 msgstr[0] ""
-msgstr[1] ""
 
 #: rkward/dialogs/rkrecoverdialog.cpp:40
 #, kde-format
@@ -1296,7 +1295,6 @@
 "You are about to delete %1 recovery files (the most recent one is %2). There "
 "will be no way to bring them back. Really delete them?"
 msgstr[0] ""
-msgstr[1] ""
 
 #: rkward/dialogs/rkrecoverdialog.cpp:61
 #, kde-format
@@ -1538,7 +1536,6 @@
 msgid "Found %1 plugin."
 msgid_plural "Found %1 plugins."
 msgstr[0] ""
-msgstr[1] ""
 
 #: rkward/dialogs/rksetupwizard.cpp:177
 #, kde-format