i18n: i18n-diff-auditor: fix striang (de)concatenation

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/i18n-diff-auditor b/i18n-diff-auditor
index 853dccea8b4ab009d7584a9f33e5b573a4430d44..e8914c004e0d20e0de81675d913430d2ac0d924f 100755 (executable)
--- a/i18n-diff-auditor
+++ b/i18n-diff-auditor
@@ -160,9 +160,10 @@ sub semiparse ($) {
            die "cannot tokenise \`$&'";
        }
     }
-    for (my $i=@o-2; $i>0; --$i) {
+    for (my $i=0; $i+2 < @o; $i++) {
        next unless $o[$i+1]{E} eq '.';
        my @inputs = @o[$i, $i+2];
+       #print STDERR Dumper(\@inputs);
        next if grep { !is_string($_) } @inputs;
        my $q = $inputs[0]{Q};
        next if grep { $_->{Q} ne $q } @inputs;
@@ -173,6 +174,7 @@ sub semiparse ($) {
                    Q => $q,
                  };
        @o = (@o[0..$i-1], $new, @o[$i+3..$#o]);
+       $i--; # counteracts $i++
     }
     debug $ichunkstart, "semiparsed: ".join ' ', map { $_->{P} } @o;
     return @o;