diff --git a/scripts/make_fea b/scripts/make_fea
index df27cc1..4c7872b 100755
--- a/scripts/make_fea
+++ b/scripts/make_fea
@@ -4,29 +4,31 @@ use Font::TTF::Scripts::Fea;
 use IO::File;
 use Getopt::Long;
 use Pod::Usage;
+use File::Basename;
 
 our(%opts);
 GetOptions(\%opts, 
     'ap|a=s', 
     # 'b',              # used in make_volt
-    'classfile|c=s', 
+    'classfile|c=s',
     'classprops',
     # 'autodefines|d',  # used in make_gdl
     # 'define|D=s%',    # used in make_gdl
-    'empty|e=s', 
+    'empty|e=s',
     # 'forceadd|f=i',   # used in make_volt
-    'help|h', 
-    'include|i=s@', 
-    'ligatures|l=s', 
-    'mark|m=s', 
+    'help|h',
+    'include|i=s@',
+    'ligatures|l=s',
+    'mark|m=s',
     'markattach=s%',
     # 'normalize|n=i',  # used in make_gdl, make_volt
-    'omitaps|o=s', 
-    'preinclude=s',
+    'omitaps|o=s',
+    'package=s',
     # 'positions|p=i',  # used in make_gdl
+    'preinclude=s',
+    'renameaps|r',
     # 'substitutions|s=i',  # used in make_gdl
     # 'outVOLT|t',      # used in make_volt
-    'renameaps|r', 
     'z=i');
 
 unless ($ARGV[1] || $opts{'help'})
@@ -59,10 +61,25 @@ if ($opts{'empty'})
     $options{'-knownemptyglyphs'} = \@glist if scalar(@glist);
 }
 
+# Process -o if supplied
 $options{'-omittedAPs'} = $opts{'omitaps'} if $opts{'omitaps'};
 
-my $f = Font::TTF::Scripts::Fea->read_font($ARGV[0], $opts{'ap'}, %options) || die "Can't read font information";
-
+# Open font, using custom module if --package suppplied
+my $f;
+if ($opts{'package'})
+{
+    my $pkg = $opts{'package'};
+    require $pkg;
+    # Assume the package name is the basename of the filename:
+    ($pkg, undef, undef) = fileparse($opts{'package'}, qr/\.[^.]*/);
+    $f = $pkg->read_font($ARGV[0], $opts{'ap'}, %options);
+}
+else
+{
+    $f = Font::TTF::Scripts::Fea->read_font($ARGV[0], $opts{'ap'}, %options);
+}
+die "Can't read font information" unless $f;
+ 
 if (exists $f->{'WARNINGS'})
 {
     warn $f->{'WARNINGS'};
@@ -145,6 +162,12 @@ Creates font specific AFDKO fea source file from a font and optional attachment
                     lastcomp - treat extensions as part of elements, as last
   -m "list"     List of APs to ignore when deciding whether a glyph is a mark
   -o "list"     List of AP names to omit
+  --package file
+                Use the named file instead of Font::TTF::Scripts::GDL.pm to
+                open the font. Assumes the internal package name is the
+                same as the basename of file (sans any extension).
+  --preinclude file
+                add #include statement at begining of file
   -r            Rename point names such that final M gets initial _ and final S
                 is removed. Typically for Fontographer fonts.
   -z bitfield   Bitfield of various controls:
diff --git a/scripts/make_gdl b/scripts/make_gdl
index 7f1b137..a40cf33 100755
--- a/scripts/make_gdl
+++ b/scripts/make_gdl
@@ -4,28 +4,32 @@ use Font::TTF::Scripts::GDL;
 use IO::File;
 use Getopt::Long;
 use Pod::Usage;
+use File::Basename;
 
 our(%opts);
 GetOptions(\%opts, 
-	'ap|a=s', 
-	# 'b',				# used in make_volt
-	'classfile|c=s', 
-	'classprops',
-	'autodefines|d', 
-	'define|D=s%', 
-	'empty|e=s', 
-	# 'forceadd|f=i', 	# used in make_volt
-	'help|h', 
-	'include|i=s@', 
-	'ligatures|l=s',
-	'mark|m=s', 
-	'normalize|n=i', 
-	'omitaps|o=s', 
-	'positions|p=i', 
-	'renameaps|r', 
-	'substitutions|s=i',
-	# 'outVOLT|t',		# used in make_volt
-	'z=i');
+    'ap|a=s', 
+    # 'b',              # used in make_volt
+    'classfile|c=s',
+    'classprops',
+    'autodefines|d',
+    'define|D=s%',
+    'empty|e=s',
+    # 'forceadd|f=i',   # used in make_volt
+    'help|h',
+    'include|i=s@',
+    'ligatures|l=s',
+    'mark|m=s',
+    # 'markattach=s%',  # used in make_fea
+    'normalize|n=i',
+    'omitaps|o=s',
+    'package=s',
+    'positions|p=i',
+    # 'preinclude=s',   # used in make_fea
+    'renameaps|r',
+    'substitutions|s=i',
+    # 'outVOLT|t',      # used in make_volt
+    'z=i');
 
 unless ($ARGV[1] || $opts{'help'})
 {
@@ -45,25 +49,40 @@ my %options;
 if ($opts{'empty'}) 
 {
     my @glist;
-	open (IN, "<$opts{'empty'}") or die "Couldn't open '$opts{'empty'}' for reading.";
-	while (<IN>)
-	{
-		s/[\r\n]*$//o;      # platform-safe chomp
-		s/;.*$//o;          # Strip comments
-		s/ //go;            # Strip whitespace
-		push (@glist, $_) unless $_ eq '';
-	}
+    open (IN, "<$opts{'empty'}") or die "Couldn't open '$opts{'empty'}' for reading.";
+    while (<IN>)
+    {
+        s/[\r\n]*$//o;      # platform-safe chomp
+        s/;.*$//o;          # Strip comments
+        s/ //go;            # Strip whitespace
+        push (@glist, $_) unless $_ eq '';
+    }
     close IN;
-	$options{'-knownemptyglyphs'} = \@glist if scalar(@glist);
+    $options{'-knownemptyglyphs'} = \@glist if scalar(@glist);
 }
 
+# Process -o if supplied
 $options{'-omittedAPs'} = $opts{'omitaps'} if $opts{'omitaps'};
 
-my $f = Font::TTF::Scripts::GDL->read_font($ARGV[0], $opts{'ap'}, %options) || die "Can't read font information";
-
+# Open font, using custom module if --package suppplied
+my $f;
+if ($opts{'package'})
+{
+    my $pkg = $opts{'package'};
+    require $pkg;
+    # Assume the package name is the basename of the filename:
+    ($pkg, undef, undef) = fileparse($opts{'package'}, qr/\.[^.]*/);
+    $f = $pkg->read_font($ARGV[0], $opts{'ap'}, %options);
+}
+else
+{
+    $f = Font::TTF::Scripts::GDL->read_font($ARGV[0], $opts{'ap'}, %options);
+}
+die "Can't read font information" unless $f;
+ 
 if (exists $f->{'WARNINGS'})
 {
-	warn $f->{'WARNINGS'};
+    warn $f->{'WARNINGS'};
 }
 
 
@@ -138,6 +157,10 @@ Creates font specific GDL from a font and optional attachment point database
   -m "list"     List of APs to ignore when deciding whether a glyph is a mark
   -n num        Add a normalization substitution with the given pass number
   -o "list"     List of AP names to omit
+  --package file
+                Use the named file instead of Font::TTF::Scripts::GDL.pm to
+                open the font. Assumes the internal package name is the
+                same as the basename of file (sans any extension).
   -p num        Add auto positioning attachment rules with the given pass number
   -r            Rename point names such that final M gets initial _ and final S
                 is removed. Typically for Fontographer fonts.