diff -u dict-tn-20070206/debian/changelog dict-tn-20070206/debian/changelog
--- dict-tn-20070206/debian/changelog
+++ dict-tn-20070206/debian/changelog
@@ -1,3 +1,10 @@
+dict-tn (20070206-4ubuntu2) xenial; urgency=medium
+
+  * utils/Makefile.language: Call egrep with "-a" to not fail in C/C.UTF-8
+    build environments with current grep. Fixes FTBFS.
+
+ -- Martin Pitt <martin.pitt@ubuntu.com>  Tue, 05 Apr 2016 21:36:21 +0200
+
 dict-tn (20070206-4ubuntu1) precise; urgency=low
 
   * No-change rebuild against current dictionaries-common to drop call to
diff -u dict-tn-20070206/utils/Makefile.language dict-tn-20070206/utils/Makefile.language
--- dict-tn-20070206/utils/Makefile.language
+++ dict-tn-20070206/utils/Makefile.language
@@ -68,7 +68,7 @@
 	iconv -f utf-8 -t $(CHARSET) < $< >$@
 
 wordlists/wordlist.$(CHARSET): $(WORDLIST.CHARSET)
-	cat $^ | egrep -v "^#|^$$" | sort --unique > $@
+	cat $^ | egrep -a -v "^#|^$$" | sort --unique > $@
 
 wordlists/wordlist-$(LANG)-$(VERSION).zip: $(WORDLIST.IN) wordlists/wordlist.$(CHARSET)
 	zip -j $@ $^
@@ -163,7 +163,7 @@
 	cp -p $< $@
 
 aspell/wordlist.$(CHARSET): wordlists/wordlist.$(CHARSET)
-	cat $< | egrep -v '(^#| |\.|-$$|[0-9]|/|=$$)' | LC_COLLATE=C sort --unique >$@
+	cat $< | egrep -a -v '(^#| |\.|-$$|[0-9]|/|=$$)' | LC_COLLATE=C sort --unique >$@
 
 aspell/aspell-$(LANG)-$(VERSION_ASPELL)-$(VERSION).tar.bz2: aspell/$(LANG).cwl aspell/configure aspell/Makefile.pre aspell/Copyright
 	cd aspell; ./configure; make dist && make distcheck && rm -rf aspell-$(LANG)-$(VERSION_ASPELL)-$(VERSION)