--- a/runtime/spell/yi/main.aap
+++ b/runtime/spell/yi/main.aap
@@ -1,4 +1,4 @@
-# Aap recipe for Hebrew Vim spell files.
+# Aap recipe for Yiddish Vim spell files.
 
 # Use a freshly compiled Vim if it exists.
 @if os.path.exists('../../../src/vim'):
@@ -6,16 +6,27 @@
 @else:
     :progsearch VIM vim
 
-SPELLDIR  = ..
-FILES     = yi.dic yi.aff
-WORDFILE  = wordlist.utf8.txt
+SPELLDIR    = ..
+FILES       = yi.dic yi.aff
+WORDFILE    = wordlist.utf8.txt
+FILES_TR    = yi_tr.dic yi_tr.aff
+WORDFILE_TR = wordlist.txt
 
-all: $SPELLDIR/yi.utf-8.spl ../README_yi.txt
+all: $SPELLDIR/yi.utf-8.spl $SPELLDIR/yi-tr.utf-8.spl \
+        $SPELLDIR/yi.latin1.spl ../README_yi.txt
 
-$SPELLDIR/yi.utf-8.spl : $VIM $FILES
+$SPELLDIR/yi.utf-8.spl : $FILES
     :sys $VIM -u NONE -e -c "set enc=utf-8"
             -c "mkspell! $SPELLDIR/yi yi" -c q
 
+$SPELLDIR/yi-tr.utf-8.spl : $FILES_TR
+    :sys $VIM -u NONE -e -c "set enc=utf-8"
+            -c "mkspell! $SPELLDIR/yi-tr yi_tr" -c q
+
+$SPELLDIR/yi.latin1.spl : $FILES_TR
+    :sys $VIM -u NONE -e -c "set enc=latin1"
+            -c "mkspell! $SPELLDIR/yi yi_tr" -c q
+
 ../README_yi.txt : README.txt
     :copy $source $target
 
@@ -23,7 +34,7 @@ all: $SPELLDIR/yi.utf-8.spl ../README_yi
 # Fetch the word list when needed.
 #
 URLDIR = http://www.cs.uky.edu/~raphael/yiddish
-:attr {fetch = $URLDIR/%file%} $WORDFILE
+:attr {fetch = $URLDIR/%file%} $WORDFILE $WORDFILE_TR
 
 # We use the word list as a .dic file, so that we can use an affix file to
 # define a few extra things.
@@ -35,13 +46,20 @@ URLDIR = http://www.cs.uky.edu/~raphael/
         @if os.path.exists('yi.diff'):
             :sys patch < yi.diff
 
-diff:
+$FILES_TR: {buildcheck=}
+        :assertpkg patch
+        :fetch $WORDFILE_TR
+        :copy $WORDFILE_TR yi_tr.dic
+        :touch {force} yi_tr.aff
+        @if os.path.exists('yi_tr.diff'):
+            :sys patch < yi_tr.diff
+
+diff {virtual}:
     :assertpkg diff
-    :delete yi.diff
     # Using a context of two lines to work around a bug in FreeBSD patch.
-    :sys {force} diff -a -C 2 $WORDFILE yi.dic >yi.diff
-    :sys {force} diff -a -N -C 1 /dev/null yi.aff >>yi.diff
-
-
+    :sys {force} diff -a -C 2 $WORDFILE yi.dic > yi.diff
+    :sys {force} diff -a -N -C 1 /dev/null yi.aff >> yi.diff
+    :sys {force} diff -a -C 2 $WORDFILE_TR yi_tr.dic > yi_tr.diff
+    :sys {force} diff -a -N -C 1 /dev/null yi_tr.aff >> yi_tr.diff
 
 # vim: set sts=4 sw=4 :