+KNOWNID(SOLVABLE_CHANGELOG, "solvable:changelog"),
+KNOWNID(SOLVABLE_CHANGELOG_AUTHOR, "solvable:changelog:author"),
+KNOWNID(SOLVABLE_CHANGELOG_TIME, "solvable:changelog:time"),
+KNOWNID(SOLVABLE_CHANGELOG_TEXT, "solvable:changelog:text"),
+
+/* stuff for solvables of type pattern */
+KNOWNID(SOLVABLE_CATEGORY, "solvable:category"),
+KNOWNID(SOLVABLE_INCLUDES, "solvable:includes"),
+KNOWNID(SOLVABLE_EXTENDS, "solvable:extends"),
+KNOWNID(SOLVABLE_ICON, "solvable:icon"),
+KNOWNID(SOLVABLE_ORDER, "solvable:order"),
+
+/* extra definitions for updates (i.e. patch: solvables) */
+KNOWNID(UPDATE_REBOOT, "update:reboot"), /* reboot suggested (kernel update) */
+KNOWNID(UPDATE_RESTART, "update:restart"), /* restart suggested (update stack update) */
+KNOWNID(UPDATE_RELOGIN, "update:relogin"), /* relogin suggested */
+
+KNOWNID(UPDATE_MESSAGE, "update:message"), /* informative message */
+KNOWNID(UPDATE_SEVERITY, "update:severity"), /* "Important", ...*/
+KNOWNID(UPDATE_RIGHTS, "update:rights"), /* copyright */
+
+/* 'content' of patch, usually list of packages */
+KNOWNID(UPDATE_COLLECTION, "update:collection"), /* "name evr arch" */
+KNOWNID(UPDATE_COLLECTION_NAME, "update:collection:name"), /* name */
+KNOWNID(UPDATE_COLLECTION_EVR, "update:collection:evr"), /* epoch:version-release */
+KNOWNID(UPDATE_COLLECTION_ARCH, "update:collection:arch"), /* architecture */
+KNOWNID(UPDATE_COLLECTION_FILENAME, "update:collection:filename"), /* filename (of rpm) */
+KNOWNID(UPDATE_COLLECTION_FLAGS, "update:collection:flags"), /* reboot(1)/restart(2) suggested if this rpm gets updated */
+
+KNOWNID(UPDATE_REFERENCE, "update:reference"), /* external references for the update */
+KNOWNID(UPDATE_REFERENCE_TYPE, "update:reference:type"), /* type, e.g. 'bugzilla' or 'cve' */
+KNOWNID(UPDATE_REFERENCE_HREF, "update:reference:href"), /* href, e.g. 'http://bugzilla...' */
+KNOWNID(UPDATE_REFERENCE_ID, "update:reference:id"), /* id, e.g. bug number */
+KNOWNID(UPDATE_REFERENCE_TITLE, "update:reference:title"), /* title, e.g. "the bla forz scribs on fuggle" */
+
+/* extra definitions for products */
+KNOWNID(PRODUCT_REFERENCEFILE, "product:referencefile"), /* installed product only */
+KNOWNID(PRODUCT_SHORTLABEL, "product:shortlabel"), /* not in repomd? */
+KNOWNID(PRODUCT_DISTPRODUCT, "product:distproduct"), /* obsolete */
+KNOWNID(PRODUCT_DISTVERSION, "product:distversion"), /* obsolete */
+KNOWNID(PRODUCT_TYPE, "product:type"), /* e.g. 'base' */
+KNOWNID(PRODUCT_URL, "product:url"),
+KNOWNID(PRODUCT_URL_TYPE, "product:url:type"),
+KNOWNID(PRODUCT_FLAGS, "product:flags"), /* e.g. 'update', 'no_you' */
+KNOWNID(PRODUCT_PRODUCTLINE, "product:productline"), /* installed product only */
+KNOWNID(PRODUCT_REGISTER_TARGET, "product:regtarget"), /* installed and available product */
+KNOWNID(PRODUCT_REGISTER_RELEASE, "product:regrelease"), /* installed product only */
+KNOWNID(PRODUCT_UPDATES_REPOID, "product:updates:repoid"),
+KNOWNID(PRODUCT_UPDATES, "product:updates"),
+KNOWNID(PRODUCT_ENDOFLIFE, "product:endoflife"),
+
+/* argh, should rename to repository and unify with REPOMD */
+KNOWNID(SUSETAGS_DATADIR, "susetags:datadir"),
+KNOWNID(SUSETAGS_DESCRDIR, "susetags:descrdir"),
+KNOWNID(SUSETAGS_DEFAULTVENDOR, "susetags:defaultvendor"),
+KNOWNID(SUSETAGS_FILE, "susetags:file"),
+KNOWNID(SUSETAGS_FILE_NAME, "susetags:file:name"),
+KNOWNID(SUSETAGS_FILE_TYPE, "susetags:file:type"),
+KNOWNID(SUSETAGS_FILE_CHECKSUM, "susetags:file:checksum"),
+KNOWNID(SUSETAGS_SHARE_NAME, "susetags:share:name"),
+KNOWNID(SUSETAGS_SHARE_EVR, "susetags:share:evr"),
+KNOWNID(SUSETAGS_SHARE_ARCH, "susetags:share:arch"),
+
+/* timestamp then the repository was generated */
+KNOWNID(REPOSITORY_TIMESTAMP, "repository:timestamp"),
+/* hint when the metadata could be outdated w/respect to generated timestamp */
+KNOWNID(REPOSITORY_EXPIRE, "repository:expire"),
+/* which things does this repo provides updates for, if it does (array) */
+KNOWNID(REPOSITORY_UPDATES, "repository:updates"), /* obsolete? */
+/* which products this repository is supposed to be for (array) */
+KNOWNID(REPOSITORY_DISTROS, "repository:distros"),
+KNOWNID(REPOSITORY_PRODUCT_LABEL, "repository:product:label"),
+KNOWNID(REPOSITORY_PRODUCT_CPEID, "repository:product:cpeid"),
+KNOWNID(REPOSITORY_REPOID, "repository:repoid"), /* obsolete? */
+/* keyword (tags) for this repository */
+KNOWNID(REPOSITORY_KEYWORDS, "repository:keywords"),
+/* revision of the repository. arbitrary string */
+KNOWNID(REPOSITORY_REVISION, "repository:revision"),
+KNOWNID(REPOSITORY_TOOLVERSION, "repository:toolversion"),
+
+KNOWNID(DELTA_PACKAGE_NAME, "delta:pkgname"),
+KNOWNID(DELTA_PACKAGE_EVR, "delta:pkgevr"),
+KNOWNID(DELTA_PACKAGE_ARCH, "delta:pkgarch"),
+KNOWNID(DELTA_LOCATION_DIR, "delta:locdir"),
+KNOWNID(DELTA_LOCATION_NAME, "delta:locname"),
+KNOWNID(DELTA_LOCATION_EVR, "delta:locevr"),
+KNOWNID(DELTA_LOCATION_SUFFIX, "delta:locsuffix"),
+KNOWNID(DELTA_DOWNLOADSIZE, "delta:downloadsize"),
+KNOWNID(DELTA_CHECKSUM, "delta:checksum"),
+KNOWNID(DELTA_BASE_EVR, "delta:baseevr"),
+KNOWNID(DELTA_SEQ_NAME, "delta:seqname"),
+KNOWNID(DELTA_SEQ_EVR, "delta:seqevr"),
+KNOWNID(DELTA_SEQ_NUM, "delta:seqnum"),
+KNOWNID(DELTA_LOCATION_BASE, "delta:locbase"), /* <location xml:base=... > */
+
+KNOWNID(REPOSITORY_REPOMD, "repository:repomd"),
+KNOWNID(REPOSITORY_REPOMD_TYPE, "repository:repomd:type"),
+KNOWNID(REPOSITORY_REPOMD_LOCATION, "repository:repomd:location"),
+KNOWNID(REPOSITORY_REPOMD_TIMESTAMP, "repository:repomd:timestamp"),
+KNOWNID(REPOSITORY_REPOMD_CHECKSUM, "repository:repomd:checksum"),
+KNOWNID(REPOSITORY_REPOMD_OPENCHECKSUM, "repository:repomd:openchecksum"),
+KNOWNID(REPOSITORY_REPOMD_SIZE, "repository:repomd:size"),
+
+KNOWNID(PUBKEY_KEYID, "pubkey:keyid"),
+KNOWNID(PUBKEY_FINGERPRINT, "pubkey:fingerprint"),
+KNOWNID(PUBKEY_EXPIRES, "pubkey:expires"),
+KNOWNID(PUBKEY_SIGNATURES, "pubkey:signatures"),
+KNOWNID(PUBKEY_DATA, "pubkey:data"),
+KNOWNID(PUBKEY_SUBKEYOF, "pubkey:subkeyof"),
+
+KNOWNID(SIGNATURE_ISSUER, "signature:issuer"),
+KNOWNID(SIGNATURE_TIME, "signature:time"),
+KNOWNID(SIGNATURE_EXPIRES, "signature:expires"),
+KNOWNID(SIGNATURE_DATA, "signature:data"),