/usr/share/xml/libglade/glade-2.0.dtd is in libglade2-0 1:2.6.4-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 | <!-- proposed DTD for new glade format -->
<!ELEMENT glade-interface (requires*, widget*) >
<!ATTLIST glade-interface
xmlns CDATA #FIXED 'http://glade.gnome.org/glade-2.0.dtd' >
<!ELEMENT requires EMPTY >
<!ATTLIST requires
lib CDATA #REQUIRED >
<!ELEMENT widget (property*, accessibility?, signal*, accelerator*, child*) >
<!ATTLIST widget
class CDATA #REQUIRED
id ID #REQUIRED >
<!ELEMENT property (#PCDATA) >
<!-- type is an optional tag, and should be the string name of the
GType for the property -->
<!-- translatable specifies whether the property should be translated
before use. -->
<!-- context indicates that the value has a |-separated
context which must be stripped before use, look up g_strip_context()
in the GLib API documentation for details.-->
<!ATTLIST property
name CDATA #REQUIRED
type CDATA #IMPLIED
translatable (yes|no) 'no'
context (yes|no) 'no'
comments CDATA #IMPLIED
agent CDATA #IMPLIED >
<!ELEMENT atkproperty (#PCDATA | accessibility)* >
<!ATTLIST atkproperty
name CDATA #REQUIRED
type CDATA #IMPLIED
translatable (yes|no) 'no'
context (yes|no) 'no'
comments CDATA #IMPLIED >
<!ELEMENT atkrelation EMPTY >
<!ATTLIST atkrelation
target CDATA #REQUIRED
type CDATA #REQUIRED >
<!-- description is assumed to be a translatable string -->
<!ELEMENT atkaction EMPTY >
<!ATTLIST atkaction
action_name CDATA #REQUIRED
description CDATA #IMPLIED >
<!ELEMENT accessibility (atkrelation | atkaction | atkproperty)* >
<!ELEMENT signal (property*) >
<!ATTLIST signal
name CDATA #REQUIRED
handler CDATA #REQUIRED
after (yes|no) 'no'
object IDREF #IMPLIED
last_modification_time CDATA #IMPLIED >
<!ELEMENT accelerator EMPTY >
<!ATTLIST accelerator
key CDATA #REQUIRED
modifiers CDATA #REQUIRED
signal CDATA #REQUIRED >
<!ELEMENT child ((widget|placeholder), packing?) >
<!-- internal children should not have any properties set on them.
(Internal children are things like the scrollbars in a
GtkScrolledWindow, or the vbox in a GtkDialog). -->
<!ATTLIST child
internal-child CDATA #IMPLIED >
<!ELEMENT packing (property+) >
<!ELEMENT placeholder EMPTY >
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