Added value: +{
+  "description": "First-level admin division (state, province, region) to search inside, by its GeoNames admin code: TX is Texas in US. Take it from geonames_get_place or geonames_reverse_geocode (adminLevels[].code at level 1), or from adminCode1 on rows of geonames_search_places, geonames_get_hierarchy, and geonames_get_children. GeoNames codes are neither ISO 3166-2 nor postal admin codes: Bavaria is 02, not BY. Needs exactly one country in countries. 1 to 20 letters or digits, zero padding kept (02, not 2). Case-insensitive.",
+  "pattern": "^\\s*[A-Za-z0-9]{1,20}\\s*$",
+  "type": "string"
+}

Added value: +{
+  "description": "Second-level admin division (a US county, a French département) to search inside, by its GeoNames admin code: 033 is King County in WA. Take it from geonames_get_place or geonames_reverse_geocode (adminLevels[].code at level 2). Needs adminCode1 and exactly one country in countries. 1 to 20 letters or digits, zero padding kept (033, not 33). Case-insensitive.",
+  "pattern": "^\\s*[A-Za-z0-9]{1,20}\\s*$",
+  "type": "string"
+}

Added value: +{
+  "description": "Third-level admin division to search inside, by its GeoNames admin code: 09162 is Munich in DE. Take it from geonames_get_place or geonames_reverse_geocode (adminLevels[].code at level 3). Needs adminCode1 and exactly one country in countries. 1 to 20 letters or digits, zero padding kept. Case-insensitive.",
+  "pattern": "^\\s*[A-Za-z0-9]{1,20}\\s*$",
+  "type": "string"
+}

Added value: +{
+  "description": "Fourth-level admin division to search inside, by its GeoNames admin code: 92012 is Boulogne-Billancourt in FR. Take it from geonames_get_place or geonames_reverse_geocode (adminLevels[].code at level 4). Needs adminCode1 and exactly one country in countries. 1 to 20 letters or digits, zero padding kept. Case-insensitive.",
+  "pattern": "^\\s*[A-Za-z0-9]{1,20}\\s*$",
+  "type": "string"
+}

Previous value: -"Keep only populated places (class P) with a population of at least 1,000 (cities1000), 5,000 (cities5000), or 15,000 (cities15000), plus seats of admin divisions: GeoNames' cities tiers. Beside featureClasses or featureCodes, list only class P or class-P codes such as PPLC. Case-insensitive."New value: +"Keep only populated places (class P) with a population of at least 1,000 (cities1000), 5,000 (cities5000), or 15,000 (cities15000), plus seats of admin divisions: GeoNames' cities tiers. Beside featureClasses or featureCodes, list only class P or class-P codes such as PPLC."

Previous value: -"ISO 3166-1 country codes, up to 10, as a list or a comma-separated string: alpha-2 (US, GB, DE), alpha-3 (USA, GBR, DEU), or three-digit numeric (840, 826, 276), each sent to GeoNames as alpha-2. Case-insensitive; UK is accepted for GB."New value: +"ISO 3166-1 country codes, up to 10, as a list: alpha-2 (US, GB, DE), alpha-3 (USA, GBR, DEU), or three-digit numeric (840, 826, 276), each sent to GeoNames as alpha-2. UK is accepted for GB and FL for LI. A listed country also returns the territories GeoNames files under it (GB also returns IM, JE, and GG), each result naming its own country in countryCode."

Previous value: -"GeoNames feature classes: A admin divisions, H water, L areas, P populated places, R roads, S spots and buildings, T terrain, U undersea, V vegetation. A list or a comma-separated string; case-insensitive. With featureCodes too, the two lists intersect: list exactly the classes of those codes, or pass featureCodes alone."New value: +"GeoNames feature classes: A admin divisions, H water, L areas, P populated places, R roads, S spots and buildings, T terrain, U undersea, V vegetation. With featureCodes too, the two lists intersect: list exactly the classes of those codes, or pass featureCodes alone."

Previous value: -"GeoNames feature codes (PPLC capital, ADM1 state, MT mountain, AIRP airport), up to 20, as a list or a comma-separated string. Case-insensitive; a class prefix (P.PPLC) is dropped. Each code implies its class; with featureClasses too, the two lists intersect, so featureClasses must list exactly these codes' classes. geonames_list_reference topic feature_codes lists every code."New value: +"GeoNames feature codes (PPLC capital, ADM1 state, MT mountain, AIRP airport), up to 20, as a list. Each code implies its class; with featureClasses too, the two lists intersect, so featureClasses must list exactly these codes' classes. geonames_list_reference topic feature_codes lists every code."

Previous value: -"Maximum entries to return, 1 to 100. Default 10."New value: +"Maximum entries to return, 1 to 1,000. This tool returns at most 100 per call: a larger limit is held to 100, and the notice says so when more entries remain. Default 10."

Previous value: -100New value: +1000

Previous value: -"How query is matched. name_required (the default) needs at least one query term in the place name while other terms may match the country or admin names; any_field lets every term match any of those fields; exact_name matches the whole name exactly, alternate and historical names included; name_prefix matches names that start with query. Needs query. Case-insensitive."New value: +"How query is matched. name_required (the default) needs at least one query term in the place name while other terms may match the country or admin names; any_field lets every term match any of those fields; exact_name matches the whole name exactly, alternate and historical names included; name_prefix matches names that start with query. Needs query."

Previous value: -"Result order: relevance (GeoNames' default) or population, largest first. Case-insensitive."New value: +"Result order: relevance or population, largest first. Omit it for GeoNames' own order, which matches relevance except with match name_prefix."

Previous value: -"The limit that was applied."New value: +"The limit applied: limit as given, or 100 when it asked for more."

Previous value: -"Machine-readable failure mode. Declared by this tool: `query_or_filter_required`: Neither query nor a narrowing filter (countries, featureClasses, featureCodes, boundingBox) was given. `query_required`: match was set without query. `unknown_country_code`: A countries entry is a well-formed alpha-3 or three-digit numeric code that no country has. `unknown_feature_code`: A featureCodes entry is not a GeoNames feature code. `feature_filter_mismatch`: featureClasses and featureCodes are both set and a code's class is not listed or a listed class has no listed code, or cities (class P only) is set beside another class or a code outside class P. GeoNames intersects the filters, so those entries match nothing. `invalid_bounding_box`: boundingBox has south greater than or equal to north, or west greater than or equal to east. `username_required`: Neither geonamesUsername nor the server's GEONAMES_USERNAME supplies a GeoNames account. `caller_account_rejected`: GeoNames rejected the caller-supplied geonamesUsername (unknown user, or free web services not enabled). `server_account_rejected`: GeoNames rejected the server's GEONAMES_USERNAME. `quota_exhausted`: GeoNames reported the account's hourly, daily, or weekly credit limit spent, or this server's pacer for the account shed the call. `upstream_rejected_parameter`: GeoNames rejected a value the schema let through; the message carries its text. Other values are possible when a failure originates below the handler."New value: +"Machine-readable failure mode. Declared by this tool: `query_or_filter_required`: Neither query nor a narrowing filter (countries, featureClasses, featureCodes, boundingBox) was given. `query_required`: match was set without query. `unknown_country_code`: A countries entry, once mapped to alpha-2, is none of the 250 country codes or the retired AN, CS, and YU: an alpha-2 such as EL or EU, or an unassigned alpha-3 or numeric code. `unknown_feature_code`: A featureCodes entry is not a GeoNames feature code. `admin_code_unscoped`: An admin code is set without exactly one country in countries, or adminCode2 to adminCode4 without adminCode1: codes repeat across countries, and lower-level codes across first-level divisions. `feature_filter_mismatch`: featureClasses and featureCodes are both set and a code's class is not listed or a listed class has no listed code, or cities (class P only) is set beside another class or a code outside class P. GeoNames intersects the filters, so those entries match nothing. `invalid_bounding_box`: boundingBox has south greater than or equal to north, or west greater than or equal to east. `username_required`: Neither geonamesUsername nor the server's GEONAMES_USERNAME supplies a GeoNames account. `caller_account_rejected`: GeoNames rejected the caller-supplied geonamesUsername (unknown user, or free web services not enabled). `server_account_rejected`: GeoNames rejected the server's GEONAMES_USERNAME. `quota_exhausted`: GeoNames reported the account's hourly, daily, or weekly credit limit spent, or this server's pacer for the account shed the call. `upstream_rejected_parameter`: GeoNames rejected a value the schema let through; the message carries its text. Other values are possible when a failure originates below the handler."

Previous value: -[
-  "query_or_filter_required",
-  "query_required",
-  "unknown_country_code",
-  "unknown_feature_code",
-  "feature_filter_mismatch",
-  "invalid_bounding_box",
-  "username_required",
-  "caller_account_rejected",
-  "server_account_rejected",
-  "quota_exhausted",
-  "upstream_rejected_parameter"
-]New value: +[
+  "query_or_filter_required",
+  "query_required",
+  "unknown_country_code",
+  "unknown_feature_code",
+  "admin_code_unscoped",
+  "feature_filter_mismatch",
+  "invalid_bounding_box",
+  "username_required",
+  "caller_account_rejected",
+  "server_account_rejected",
+  "quota_exhausted",
+  "upstream_rejected_parameter"
+]

Previous value: -"Guidance when nothing matched or more pages remain."New value: +"Guidance: why nothing matched, or how to reach the next page (naming a limit held to 100), and which places on the page lie in countries that countries does not list."