Dither: Add a "keep color" variation

src/po/fo.po

@@ -5,7 +5,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Tux Paint 0.9.18\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2024-02-29 01:13-0800\n"
+"POT-Creation-Date: 2024-02-29 21:40-0800\n"
 "PO-Revision-Date: 2008-01-18 12:40-0000\n"
 "Last-Translator: Lis Gøthe í Jákupsstovu <morshus@morshus.com>\n"
 "Language-Team: Faroese <morshus@morshus.com>\n"
@@ -1776,18 +1776,42 @@ msgstr "Reingjan"
 msgid "Click and drag the mouse to cause distortion in your picture."
 msgstr "Klikkja og drag músina til at reingja (avskepla) myndina."
 
-#: ../../magic/src/dither.c:80
+#: ../../magic/src/dither.c:32
 msgid "Dither"
 msgstr ""
 
-#: ../../magic/src/dither.c:99
+#: ../../magic/src/dither.c:33
 #, fuzzy
-msgid "Click and drag to replace parts of your image with dithered dots."
+#| msgid "Colors"
+msgid "Dither (Keep Color)"
+msgstr "Litir"
+
+#: ../../magic/src/dither.c:38
+#, fuzzy
+msgid ""
+"Click and drag to replace parts of your image with a dithered pattern of "
+"dots in your chosen color."
 msgstr "Klikkja og drag músina til at broyta litin á myndini."
 
-#: ../../magic/src/dither.c:101
+#: ../../magic/src/dither.c:39
 #, fuzzy
-msgid "Click to replace your entire image with dithered dots."
+msgid ""
+"Click to replace your entire image with a dithered pattern of dots in your "
+"chosen color."
+msgstr "Klikkja til at gera eina spegilsmynd."
+
+#: ../../magic/src/dither.c:42
+#, fuzzy
+msgid ""
+"Click and drag to replace parts of your image with a dithered pattern of "
+"dots using the picture's original colors."
+msgstr "Klikkja og drag músina til at broyta litin á myndini."
+
+#: ../../magic/src/dither.c:43
+#, fuzzy
+msgid ""
+"Click to replace your entire image with a dithered pattern of dots using the "
+"picture's original colors."
 msgstr "Klikkja til at gera eina spegilsmynd."
 
 #: ../../magic/src/emboss.c:108