/usr/share/libgweather/locations.dtd is in libgweather-common 3.18.1-1ubuntu1.
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 | <!ELEMENT gweather (region+) >
<!ATTLIST gweather
format CDATA #FIXED '1.0' >
<!ENTITY % name '(_name|name+)' >
<!ELEMENT region (%name;, country+) >
<!ELEMENT country (%name;, iso-code, fips-code+, pref-lang?, timezones, tz-hint?, (location|state|province|city)*) >
<!ELEMENT state (%name;, fips-code+, tz-hint?, (location|city)*) >
<!ELEMENT province (%name;, (location|city)*) >
<!ELEMENT city (%name;, coordinates?, tz-hint?, location+) >
<!ELEMENT location (%name;, code, zone?, yahoo-woeid?, radar?, coordinates?) >
<!ELEMENT timezones (timezone+) >
<!ELEMENT timezone (_name?, name*, obsoletes*) >
<!ATTLIST timezone
id CDATA #REQUIRED >
<!ELEMENT obsoletes (#PCDATA) >
<!ELEMENT _name (#PCDATA) >
<!ATTLIST _name
msgctxt CDATA #IMPLIED >
<!ELEMENT name (#PCDATA) >
<!ATTLIST name
xml:lang CDATA #IMPLIED
msgctxt CDATA #IMPLIED >
<!ELEMENT iso-code (#PCDATA) >
<!ELEMENT fips-code (#PCDATA) >
<!ELEMENT pref-lang (#PCDATA) >
<!ELEMENT tz-hint (#PCDATA) >
<!ELEMENT code (#PCDATA) >
<!ELEMENT zone (#PCDATA) >
<!ELEMENT radar (#PCDATA) >
<!ELEMENT coordinates (#PCDATA) >
<!ELEMENT yahoo-woeid (#PCDATA) >
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