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Clean up documentation and help around json options
This commit is contained in:
Jay Berkenbilt
parent
606420ab54
commit
5953116634
@ -1,5 +1,8 @@
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2022-01-31 Jay Berkenbilt <ejb@ql.org>
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* Have --json-help just output the JSON object, leaving a
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description to --help and the manual.
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* Allow optional version number or "latest" as parameter to
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--json, allowing for future specification of json version.
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6
job.sums
6
job.sums
@ -8,10 +8,10 @@ include/qpdf/auto_job_c_pages.hh 931840b329a36ca0e41401190e04537b47f2867671a6643
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include/qpdf/auto_job_c_uo.hh 0585b7de459fa479d9e51a45fa92de0ff6dee748efc9ec1cedd0dde6cee1ad50
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job.yml effc93a805fb74503be2213ad885238db21991ba3d084fbfeff01183c66cb002
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libqpdf/qpdf/auto_job_decl.hh 9f79396ec459f191be4c5fe34cf88c265cf47355a1a945fa39169d1c94cf04f6
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libqpdf/qpdf/auto_job_help.hh 6297d355cb37a6183469962ed75d465d62f498a9a49d43cac7af0c9d013a9e1b
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libqpdf/qpdf/auto_job_help.hh 6002f503368f319a3d717484ac39d1558f34e67989d442f394791f6f6f5f0500
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libqpdf/qpdf/auto_job_init.hh c244e03e8b83ed7db732920f40aff0134e5f2e78a6edb9473ea4dd1934a8953e
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libqpdf/qpdf/auto_job_json_decl.hh c5e3fd38a3b0c569eb0c6b4c60953a09cd6bc7d3361a357a81f64fe36af2b0cf
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libqpdf/qpdf/auto_job_json_init.hh 3f86ce40931ca8f417d050fcd49104d73c1fa4e977ad19d54b372831a8ea17ed
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libqpdf/qpdf/auto_job_schema.hh d2fb9344bb0ed9b60cfa5511e81bea1335ea12997df731db9572de46b1d7f0b2
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libqpdf/qpdf/auto_job_schema.hh 18a3780671d95224cb9a27dcac627c421cae509d59f33a63e6bda0ab53cce923
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manual/_ext/qpdf.py e9ac9d6c70642a3d29281ee5ad92ae2422dee8be9306fb8a0bc9dba0ed5e28f3
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manual/cli.rst 280826695c13d69527f49ef3e9de89cb628dc55cdbf2ad1dba1606325874c20a
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manual/cli.rst 35289dbf593085016a62249f760cdcad50d5cce76d799ea4acf5dff58b78679a
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@ -158,28 +158,7 @@ ArgParser::argCopyright()
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void
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ArgParser::argJsonHelp()
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{
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// Make sure the output looks right on an 80-column display.
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// 1 2 3 4 5 6 7 8
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// 12345678901234567890123456789012345678901234567890123456789012345678901234567890
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std::cout
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<< "The json block below contains the same structure with the same keys as the"
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<< std::endl
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<< "json generated by qpdf. In the block below, the values are descriptions of"
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<< std::endl
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<< "the meanings of those entries. The specific contract guaranteed by qpdf in"
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<< std::endl
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<< "its json representation is explained in more detail in the manual. You can"
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<< std::endl
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<< "specify a subset of top-level keys when you invoke qpdf, but the \"version\""
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<< std::endl
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<< "and \"parameters\" keys will always be present. Note that the \"encrypt\""
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<< std::endl
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<< "key's values will be populated for non-encrypted files. Some values will"
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<< std::endl
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<< "be null, and others will have values that apply to unencrypted files."
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<< std::endl
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<< QPDFJob::json_out_schema_v1()
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<< std::endl;
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std::cout << QPDFJob::json_out_schema_v1() << std::endl;
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}
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void
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@ -30,7 +30,8 @@ ap.addOptionHelp("--replace-input", "usage", "overwrite input with output", R"(U
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ap.addOptionHelp("--job-json-file", "usage", "job JSON file", R"(--job-json-file=file
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Specify the name of a file whose contents are expected to
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contain a QPDFJob json file.
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contain a QPDFJob JSON file. Run qpdf --job-json-help for a
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description of the JSON input file format.
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)");
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ap.addHelpTopic("exit-status", "meanings of qpdf's exit codes", R"(Meaning of exit codes:
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@ -788,15 +789,18 @@ output as binary data. Get the key with --list-attachments.
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ap.addHelpTopic("json", "JSON output for PDF information", R"(Show information about the PDF file in JSON format. Please see the
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JSON chapter in the qpdf manual for details.
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)");
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ap.addOptionHelp("--json", "json", "show file in json format", R"(--json[=version]
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ap.addOptionHelp("--json", "json", "show file in JSON format", R"(--json[=version]
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Generate a JSON representation of the file. This is described in
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depth in the JSON section of the manual. "version" may be a
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specific version or "latest".
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specific version or "latest". Run qpdf --json-help for a
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description of the generated JSON object.
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)");
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ap.addOptionHelp("--json-help", "json", "show format of json output", R"(Describe the format of the JSON output.
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ap.addOptionHelp("--json-help", "json", "show format of JSON output", R"(Describe the format of the JSON output by writing to standard
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output a JSON object with the same keys and with values
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containing descriptive text.
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)");
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ap.addOptionHelp("--json-key", "json", "limit which keys are in json output", R"(--json-key=key
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ap.addOptionHelp("--json-key", "json", "limit which keys are in JSON output", R"(--json-key=key
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This option is repeatable. If given, only the specified
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top-level keys will be included in the JSON output. Otherwise,
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@ -808,7 +812,7 @@ This option is repeatable. If given, only specified objects will
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be shown in the "objects" key of the JSON output. Otherwise, all
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objects will be shown.
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)");
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ap.addOptionHelp("--job-json-help", "json", "show format of job json", R"(Describe the format of the QPDFJob JSON input.
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ap.addOptionHelp("--job-json-help", "json", "show format of job JSON", R"(Describe the format of the QPDFJob JSON input.
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)");
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ap.addHelpTopic("testing", "options for testing or debugging", R"(The options below are useful when writing automated test code that
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includes files created by qpdf or when testing qpdf itself.
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@ -77,9 +77,9 @@ static constexpr char const* JOB_SCHEMA_DATA = R"({
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"withImages": "include image details with showPages",
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"listAttachments": "list embedded files",
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"showAttachment": "export an embedded file",
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"json": "show file in json format",
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"json": "show file in JSON format",
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"jsonKey": [
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"limit which keys are in json output"
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"limit which keys are in JSON output"
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],
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"jsonObject": [
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"limit which objects are in JSON"
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@ -14,7 +14,7 @@
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:qpdf:ref:`--option`. They also appear in an index.
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Note: 2022-01-22: because short help text is used in the "schema"
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json object for QPDFJob json, we can't end short text with a ``)``
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JSON object for QPDFJob JSON, we can't end short text with a ``)``
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character since doing so would cause ``)"`` to appear in the string
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literal. We use the R"(...)" syntax for these literals, and that
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looks like an end delimiter. While the C++ spec allows
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@ -163,10 +163,11 @@ Related Options
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.. help: job JSON file
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Specify the name of a file whose contents are expected to
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contain a QPDFJob json file.
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contain a QPDFJob JSON file. Run qpdf --job-json-help for a
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description of the JSON input file format.
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Specify the name of a file whose contents are expected to contain a
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QPDFJob json file. QXXXQ ref. This file is read and treated as if
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QPDFJob JSON file. QXXXQ ref. This file is read and treated as if
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the equivalent command-line arguments were supplied. It can be
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mixed freely with other options.
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@ -3138,31 +3139,41 @@ Related Options
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.. qpdf:option:: --json[=version]
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.. help: show file in json format
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.. help: show file in JSON format
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Generate a JSON representation of the file. This is described in
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depth in the JSON section of the manual. "version" may be a
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specific version or "latest".
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specific version or "latest". Run qpdf --json-help for a
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description of the generated JSON object.
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Generate a JSON representation of the file. This is described in
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depth in :ref:`json`. The version parameter can be used to specify
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which json version should be output. The only supported value is
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``1``, but it's possible that a new json output version will be
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added in a future version. You can also specify ``latest`` to use
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the latest json version. For backward compatibility, the default
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value is ``1``.
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which version of the qpdf JSON format should be output. The only
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supported value is ``1``, but it's possible that a new JSON output
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version will be added in a future version. You can also specify
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``latest`` to use the latest JSON version. For backward
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compatibility, the default value is ``1``. Use the
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:qpdf:ref:`--json-help` option to get a description of the JSON
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object.
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.. qpdf:option:: --json-help
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.. help: show format of json output
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.. help: show format of JSON output
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Describe the format of the JSON output.
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Describe the format of the JSON output by writing to standard
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output a JSON object with the same keys and with values
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containing descriptive text.
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Describe the format of the JSON output.
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Describe the format of the JSON output by writing to standard
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output a JSON object with the same structure with the same keys as
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the JSON generated by qpdf. In the output written by
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``--json-help``, each key's value is a description of the key. The
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specific contract guaranteed by qpdf in its JSON representation is
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explained in more detail in the :ref:`json`.
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.. qpdf:option:: --json-key=key
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.. help: limit which keys are in json output
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.. help: limit which keys are in JSON output
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This option is repeatable. If given, only the specified
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top-level keys will be included in the JSON output. Otherwise,
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@ -3170,7 +3181,8 @@ Related Options
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This option is repeatable. If given, only the specified top-level
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keys will be included in the JSON output. Otherwise, all keys will
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be included.
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be included. ``version`` and ``parameters`` will always appear in
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the output.
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.. qpdf:option:: --json-object={trailer|obj[,gen]}
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@ -3186,7 +3198,7 @@ Related Options
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.. qpdf:option:: --job-json-help
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.. help: show format of job json
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.. help: show format of job JSON
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Describe the format of the QPDFJob JSON input.
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@ -175,3 +175,7 @@ be aware of:
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shown as not filterable by default, but they will be shown as
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filterable if you run :command:`qpdf --json
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--decode-level=all`.
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- The ``encrypt`` key's values will be populated for non-encrypted
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files. Some values will be null, and others will have values that
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apply to unencrypted files.
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