diff --git a/misc/translator/xgettext.pl b/misc/translator/xgettext.pl
index 976ab4769c..504dc9f389 100755
--- a/misc/translator/xgettext.pl
+++ b/misc/translator/xgettext.pl
@@ -40,6 +40,7 @@ sub string_negligible_p {
 	    || $t =~ /^[-\+\.,:;!\?'"%\(\)\[\]\|]+$/ # punctuation w/o context
 	    || $t =~ /^[A-Za-z]$/		# single letters
             || $t =~ /^(&[a-z]+;|&#\d+;|&#x[0-9a-fA-F]+;|%%|%s|\s|[[:punct:]])*$/ # html entities,placeholder,punct, ...
+        || ( $t =~ /^\[\%.*\%\]$/ and $t !~ /\%\].*\[\%/ )    # pure TT entities
 	)
 }