2.7.4: sphinx warnings reference target not found

[kloczek]

On building my packages I'm using sphinx-build command with -n switch which shows warmings about missing references. These are not critical issues.
Here is the output with warnings:

+ /usr/bin/sphinx-build -n -T -b man docs/source build/sphinx/man
Running Sphinx v4.5.0
making output directory... done
loading intersphinx inventory from http://docs.python.org/objects.inv...
intersphinx inventory has moved: http://docs.python.org/objects.inv -> https://docs.python.org/3/objects.inv
building [mo]: targets for 0 po files that are out of date
building [man]: all manpages
updating environment: [new config] 58 added, 0 changed, 0 removed
reading sources... [100%] threads
looking for now-outdated files... none found
pickling environment... done
checking consistency... done
writing... python-Whoosh.3 { releases/index releases/2_0 releases/1_0 releases/0_3 quickstart intro glossary schema indexing searching parsing querylang dates query analysis stemming ngrams facets highlight keywords spelling fieldcaches batch threads nested recipes api/api api/analysis api/codec/base api/collectors api/columns api/fields api/filedb/filestore api/filedb/filetables api/filedb/structfile api/formats api/highlight api/idsets api/index api/lang/morph_en api/lang/porter api/lang/wordnet api/matching api/qparser api/query api/reading api/scoring api/searching api/sorting api/spelling api/support/charset api/support/levenshtein api/util api/writing tech/index tech/backend tech/filedb } /home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/docs/source/releases/2_0.rst:53: WARNING: py:meth reference target not found: whoosh.filedb.filestore.Storage.destory
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/docs/source/releases/2_0.rst:129: WARNING: py:class reference target not found: whoosh.qparser.PseudoFieldPlugin
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/docs/source/releases/2_0.rst:139: WARNING: py:class reference target not found: whoosh.sorting.FacetType`
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/docs/source/releases/2_0.rst:279: WARNING: py:meth reference target not found: whoosh.searching.Hit.contains_term
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/docs/source/releases/1_0.rst:103: WARNING: py:meth reference target not found: whoosh.searching.Searcher.sort_query_using
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/docs/source/releases/1_0.rst:112: WARNING: py:class reference target not found: whoosh.sorting.Sorter
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/docs/source/releases/1_0.rst:126: WARNING: py:class reference target not found: whoosh.sorting.Sorter
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/docs/source/releases/1_0.rst:150: WARNING: py:class reference target not found: whoosh.searching.Collector
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/docs/source/releases/1_0.rst:230: WARNING: py:class reference target not found: whoosh.searching.TermTrackingCollector
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/docs/source/releases/1_0.rst:237: WARNING: py:class reference target not found: whoosh.analysis.PyStemmerFilter
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/docs/source/releases/1_0.rst:338: WARNING: py:class reference target not found: whoosh.searching.Facets
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/docs/source/releases/1_0.rst:342: WARNING: py:class reference target not found: whoosh.writing.BatchWriter
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/docs/source/releases/1_0.rst:390: WARNING: py:meth reference target not found: whoosh.searching.Searcher.last_modified
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/docs/source/schema.rst:130: WARNING: py:meth reference target not found: whoosh.store.Storage.create_index
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/docs/source/schema.rst:265: WARNING: py:meth reference target not found: whoosh.writing.IndexWriter.document_update
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/docs/source/parsing.rst:235: WARNING: py:class reference target not found: whoosh.qparser.FuzzyTermPlugin
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/docs/source/parsing.rst:291: WARNING: py:class reference target not found: whoosh.qparser.SequencePlugin
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/docs/source/dates.rst:30: WARNING: py:class reference target not found: whoosh.qparser.dateparse.DateParserPlugin
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/docs/source/stemming.rst:144: WARNING: py:class reference target not found: whoosh.analysis.Filter
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/docs/source/facets.rst:97: WARNING: py:class reference target not found: whoosh.fields.COLUMN
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/docs/source/facets.rst:105: WARNING: py:class reference target not found: whoosh.fields.COLUMN
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/docs/source/facets.rst:105: WARNING: py:class reference target not found: whoosh.columns.ColumnType
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/docs/source/facets.rst:133: WARNING: py:class reference target not found: columns.NumericColumn
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/docs/source/facets.rst:140: WARNING: py:func reference target not found: whoosh.sorting.add_sortable
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/docs/source/facets.rst:168: WARNING: py:func reference target not found: whoosh.sorting.add_sortable
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/docs/source/facets.rst:719: WARNING: py:class reference target not found: whoosh.sorting.TranslateFacet
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/docs/source/highlight.rst:259: WARNING: py:class reference target not found: whoosh.highlight.Formatter
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/docs/source/highlight.rst:273: WARNING: py:meth reference target not found: whoosh.highlight.Highlighter.highlight_hit
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/docs/source/highlight.rst:392: WARNING: py:class reference target not found: whoosh.highlight.Formatter
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/docs/source/keywords.rst:91: WARNING: py:mod reference target not found: whoosh.classify
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/docs/source/spelling.rst:43: WARNING: py:meth reference target not found: whoosh.searching.Searcher.corrector
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/docs/source/spelling.rst:118: WARNING: py:class reference target not found: whoosh.highlight.Formatter
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/docs/source/fieldcaches.rst:41: WARNING: py:class reference target not found: whoosh.filedb.fieldcache.FieldCachingPolicy
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/src/whoosh/analysis/analyzers.py:docstring of whoosh.analysis.analyzers.LanguageAnalyzer:8: WARNING: py:func reference target not found: whoosh.lang.has_stemmer
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/src/whoosh/analysis/analyzers.py:docstring of whoosh.analysis.analyzers.LanguageAnalyzer:8: WARNING: py:func reference target not found: whoosh.lang.has_stopwords
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/src/whoosh/analysis/filters.py:docstring of whoosh.analysis.filters.StopFilter:13: WARNING: py:func reference target not found: whoosh.lang.has_stopwords
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/src/whoosh/analysis/morph.py:docstring of whoosh.analysis.morph.StemFilter:20: WARNING: py:func reference target not found: whoosh.lang.has_stemmer
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/src/whoosh/analysis/morph.py:docstring of whoosh.analysis.morph.StemFilter:29: WARNING: py:class reference target not found: PyStemmerFilter
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/src/whoosh/collectors.py:docstring of whoosh.collectors:21: WARNING: py:class reference target not found: whoosh.sorting.Facet
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/src/whoosh/collectors.py:docstring of whoosh.collectors.Collector.prepare:21: WARNING: py:class reference target not found: whoosh.searching.SearchContext
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/src/whoosh/collectors.py:docstring of whoosh.collectors.ScoredCollector.prepare:21: WARNING: py:class reference target not found: whoosh.searching.SearchContext
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/src/whoosh/collectors.py:docstring of whoosh.collectors.WrappingCollector.prepare:21: WARNING: py:class reference target not found: whoosh.searching.SearchContext
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/src/whoosh/collectors.py:docstring of whoosh.collectors.SortingCollector:1: WARNING: py:class reference target not found: whoosh.sorting.Facet
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/src/whoosh/collectors.py:docstring of whoosh.collectors.FacetCollector:1: WARNING: py:class reference target not found: whoosh.sorting.Facet
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/src/whoosh/collectors.py:docstring of whoosh.collectors.CollapseCollector:21: WARNING: py:class reference target not found: whoosh.sorting.Facet
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/src/whoosh/collectors.py:docstring of whoosh.collectors.CollapseCollector:25: WARNING: py:class reference target not found: whoosh.sorting.Facet
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/src/whoosh/collectors.py:docstring of whoosh.collectors.TimeLimitCollector:1: WARNING: py:class reference target not found: TimeLimit
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/src/whoosh/fields.py:docstring of whoosh.fields.NGRAMWORDS:10: WARNING: py:class reference target not found: whoosh.analysis.Tokenizer
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/src/whoosh/filedb/filestore.py:docstring of whoosh.filedb.filestore.FileStorage:3: WARNING: py:meth reference target not found: FileStorage.create
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/src/whoosh/filedb/filetables.py:docstring of whoosh.filedb.filetables.HashReader:8: WARNING: py:class reference target not found: FileFormatError
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/src/whoosh/filedb/filetables.py:docstring of whoosh.filedb.filetables.OrderedHashReader:5: WARNING: py:class reference target not found: FileFormatError
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/src/whoosh/highlight.py:docstring of whoosh.highlight.Fragmenter.fragment_matches:5: WARNING: py:class reference target not found: analysis.Token
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/src/whoosh/highlight.py:docstring of whoosh.highlight.Fragmenter.fragment_tokens:4: WARNING: py:class reference target not found: analysis.Token
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/src/whoosh/lang/wordnet.py:docstring of whoosh.lang.wordnet.Thesaurus.from_storage:10: WARNING: py:class reference target not found: whoosh.store.Storage
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/src/whoosh/lang/wordnet.py:docstring of whoosh.lang.wordnet.Thesaurus.to_storage:9: WARNING: py:class reference target not found: whoosh.store.Storage
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/src/whoosh/qparser/plugins.py:docstring of whoosh.qparser.plugins.OperatorsPlugin:1: WARNING: py:meth reference target not found: Operator.make_group
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/src/whoosh/query/qcore.py:docstring of whoosh.query.qcore.Query.all_tokens:1: WARNING: py:class reference target not found: analysis.Token
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/src/whoosh/query/qcore.py:docstring of whoosh.query.qcore.Query.tokens:1: WARNING: py:class reference target not found: analysis.Token
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/src/whoosh/reading.py:docstring of whoosh.reading.IndexReader.segment:1: WARNING: py:class reference target not found: whoosh.index.Segment
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/src/whoosh/scoring.py:docstring of whoosh.scoring.WeightingModel:1: WARNING: py:class reference target not found: whoosh.scoring.Scorer
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/src/whoosh/scoring.py:docstring of whoosh.scoring.WeightingModel.scorer:1: WARNING: py:class reference target not found: whoosh.scoring.Scorer
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/src/whoosh/scoring.py:docstring of whoosh.scoring.MultiWeighting:4: WARNING: py:class reference target not found: Weighting
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/src/whoosh/searching.py:docstring of whoosh.searching.Searcher:6: WARNING: py:class reference target not found: whoosh.scoring.Weighting
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/src/whoosh/searching.py:docstring of whoosh.searching.Searcher.context:1: WARNING: py:class reference target not found: SearchContext
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/src/whoosh/searching.py:docstring of whoosh.searching.Searcher.correct_query:32: WARNING: py:class reference target not found: whoosh.highlight.Formatter
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/src/whoosh/searching.py:docstring of whoosh.searching.Searcher.correct_query:45: WARNING: py:class reference target not found: whoosh.spelling.GraphCorrector
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/src/whoosh/searching.py:docstring of whoosh.searching.Searcher.more_like:24: WARNING: py:class reference target not found: whoosh.classify.ExpansionModel
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/src/whoosh/searching.py:docstring of whoosh.searching.Results.groups:28: WARNING: py:meth reference target not found: Searcher.stored_fields
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/src/whoosh/searching.py:docstring of whoosh.searching.Hit.more_like_this:22: WARNING: py:class reference target not found: whoosh.classify.ExpansionModel
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/src/whoosh/searching.py:docstring of whoosh.searching.TimeLimit:1: WARNING: py:class reference target not found: TimeLimitedCollector
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/src/whoosh/searching.py:docstring of whoosh.searching.TimeLimit:1: WARNING: py:meth reference target not found: TimeLimitedCollector.results
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/src/whoosh/sorting.py:docstring of whoosh.sorting.FunctionFacet:1: WARNING: py:class reference target not found: TranslateFacet
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/src/whoosh/sorting.py:docstring of whoosh.sorting.UnorderedList:1: WARNING: py:class reference target not found: OrderedListResult
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/src/whoosh/spelling.py:docstring of whoosh.spelling.Correction:15: WARNING: py:meth reference target not found: Correction.format_string
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/src/whoosh/spelling.py:docstring of whoosh.spelling.Correction:15: WARNING: py:class reference target not found: whoosh.highlight.Formatter
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/src/whoosh/writing.py:docstring of whoosh.writing.IndexWriter.add_document:58: WARNING: py:meth reference target not found: Writer.update_document
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/src/whoosh/writing.py:docstring of whoosh.writing.IndexWriter.update_document:48: WARNING: py:meth reference target not found: Writer.add_document
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/src/whoosh/writing.py:docstring of whoosh.writing.BufferedWriter:27: WARNING: py:meth reference target not found: BufferedWriter.close
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/src/whoosh/writing.py:docstring of whoosh.writing.BufferedWriter.add_document:58: WARNING: py:meth reference target not found: Writer.update_document
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/src/whoosh/writing.py:docstring of whoosh.writing.BufferedWriter.update_document:48: WARNING: py:meth reference target not found: Writer.add_document
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/src/whoosh/writing.py:docstring of whoosh.writing.AsyncWriter.add_document:58: WARNING: py:meth reference target not found: Writer.update_document
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/src/whoosh/writing.py:docstring of whoosh.writing.AsyncWriter.update_document:48: WARNING: py:meth reference target not found: Writer.add_document
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/docs/source/tech/backend.rst:22: WARNING: py:meth reference target not found: whoosh.index.Index.lock
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/docs/source/tech/backend.rst:24: WARNING: py:meth reference target not found: whoosh.index.Index.unlock
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/docs/source/tech/backend.rst:28: WARNING: py:meth reference target not found: whoosh.index.Index.delete_document
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/docs/source/tech/backend.rst:57: WARNING: py:meth reference target not found: whoosh.writing.IndexWriter.add_reader
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/docs/source/tech/backend.rst:65: WARNING: py:meth reference target not found: whoosh.reading.IndexWriter.commit
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/docs/source/tech/backend.rst:68: WARNING: py:meth reference target not found: whoosh.reading.IndexWriter.cancel
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/docs/source/tech/backend.rst:79: WARNING: py:meth reference target not found: whoosh.reading.IndexReader.__contains__
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/docs/source/tech/backend.rst:81: WARNING: py:meth reference target not found: whoosh.reading.IndexReader.__iter__
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/docs/source/tech/backend.rst:120: WARNING: py:meth reference target not found: whoosh.reading.IndexReader.field
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/docs/source/tech/backend.rst:122: WARNING: py:meth reference target not found: whoosh.reading.IndexReader.field_names
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/docs/source/tech/backend.rst:124: WARNING: py:meth reference target not found: whoosh.reading.IndexReader.scorable_names
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/docs/source/tech/backend.rst:126: WARNING: py:meth reference target not found: whoosh.reading.IndexReader.vector_names
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/docs/source/tech/backend.rst:130: WARNING: py:meth reference target not found: whoosh.reading.DocReader.close
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/docs/source/tech/backend.rst:169: WARNING: py:meth reference target not found: whoosh.matching.Matcher.supports_quality
/home/tkloczko/rpmbuild/BUILD/whoosh-2.7.4/docs/source/tech/backend.rst:171: WARNING: py:meth reference target not found: whoosh.matching.Matcher.quality
done
build succeeded, 97 warnings.