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    <title>MongoDB Jira</title>
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    <description>This file is an XML representation of an issue</description>
    <language>en-us</language>    <build-info>
        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-5065] a missing field nested within an array is sorted as &apos;null&apos;, even if the same field exists inside another array element</title>
                <link>https://jira.mongodb.org/browse/SERVER-5065</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Background&lt;/p&gt;


&lt;p&gt;Sorting&lt;/p&gt;

&lt;p&gt;If there are multiple values for a field, only one of them is used to sort a document.  For example when sorting the document { a:[ 1, 3, 2 ] } using sort spec { a:1 } only one of the values of &apos;a&apos; is used to order the document.  The value of &apos;a&apos; chosen for sorting is the first that would be encountered while traversing an index on the sort spec (in this case { a:1 }) to resolve the query.  For example if the query is {}, the first value of &apos;a&apos; encountered on index { a:1 } is 1.  If the query is { a:{ $gte:2 } } the first value is 2.  Note that this policy is implemented regardless of whether there is actually an index { a:1 } or if sorting is performed using the { a:1 } ordering in memory, without an index.  (The results must be the same regardless of whether or not an index is used.)&lt;/p&gt;

&lt;p&gt;Consider the case of document { a:[ 1, null, 2 ] }.  In this example, 2 is the largest value of &apos;a&apos;.  It is the first value of &apos;a&apos; that would be encountered for index { a:-1 } and is the value used for sorting.  The smallest value of &apos;a&apos; is &apos;null&apos;.  It is the first value of &apos;a&apos; that would be encountered for index { a:1 } and is the one used for sorting.  Furthermore, given two documents { _id:&apos;x&apos;, a:[ 5, null ] } and { _id:&apos;y&apos;, a:[ 2, 3 ] }, if sorting is performed according to order { a:1 } the documents will be ordered with document x followed by document y because null is less than 2.&lt;/p&gt;

&lt;p&gt;This behavior was requested in &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-480&quot; title=&quot;figure out what to do with sorting by array sub-field&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-480&quot;&gt;&lt;del&gt;SERVER-480&lt;/del&gt;&lt;/a&gt;.&lt;/p&gt;


&lt;p&gt;Index Key Extraction&lt;/p&gt;

&lt;p&gt;In many cases, indexing a nested field within an array uses an existing value from the document.  Eg for index { &apos;a.b&apos;:1 }&lt;/p&gt;

&lt;p&gt;document { a:[ { b:5 } ] } -&amp;gt; produces index key &apos;a.b&apos;:5&lt;br/&gt;
{ a:[ { b:5 }, { b:6 } ] } -&amp;gt; two keys &apos;a.b&apos;:5, &apos;a.b&apos;:6&lt;/p&gt;

&lt;p&gt;If the nested field is missing however, a null value is stored in the index&lt;/p&gt;

&lt;p&gt;document { } (no &apos;a&apos; field present) -&amp;gt; produces index key &apos;a.b&apos;:null&lt;br/&gt;
{ a:[ ] } -&amp;gt; &apos;a.b&apos;:null&lt;br/&gt;
{ a:[ {} ] } -&amp;gt; &apos;a.b&apos;:null&lt;br/&gt;
{ a:[ { x:1 } ] } -&amp;gt; &apos;a.b&apos;:null&lt;br/&gt;
{ a:[ 7 ] } -&amp;gt; &apos;a.b&apos;:null&lt;/p&gt;

&lt;p&gt;In the case where some array values have an &apos;a.b&apos; field and some do not, a mixture of null and non null index keys is produced:&lt;/p&gt;

&lt;p&gt;{ a:[ { b:5 }, {} ] } -&amp;gt; &apos;a.b&apos;:5, &apos;a.b&apos;:null&lt;br/&gt;
{ a:[ { b:5 }, { b:6 }, 99 ] } -&amp;gt; &apos;a.b&apos;:5, &apos;a.b&apos;:6 &apos;a.b&apos;:null&lt;/p&gt;


&lt;p&gt;Query Matching Semantics&lt;/p&gt;

&lt;p&gt;For a simple query, a request for null will match missing values only if there are no non missing values for the key.  But a request for null will always match an explicit null value.  For query { &apos;a.b&apos;:null }&lt;/p&gt;

&lt;p&gt;{ } (empty document) matches&lt;br/&gt;
{ a:[ ] } matches&lt;br/&gt;
{ a:[ 88 ] } matches&lt;br/&gt;
{ a:[ { b:2 } ] } does not match because there is an existing value of &apos;a.b&apos;&lt;br/&gt;
{ a:[ { b:2 }, { } ] } does not match because there is an existing value of &apos;a.b&apos;, even though there is also a missing &apos;b&apos; within another array element&lt;br/&gt;
{ a:[ { b:2 }, { b:null } ] } does match because there is an explicit null value of &apos;a.b&apos;.&lt;/p&gt;

&lt;p&gt;However, the $elemMatch operator will restrict matching to individual array elements.  If a single array element has a missing &apos;b&apos;, the document will match null.  For query { a:{ $elemMatch:{ b:null } } }&lt;/p&gt;

&lt;p&gt;{ a:[ { b:2 } ] } does not match because the only value of b is 2&lt;br/&gt;
{ a:[ { b:2 }, { } ] } matches because there is a missing value of &apos;b&apos; in the second array entry (note difference from non elemMatch query example above)&lt;br/&gt;
{ a:[ { b:2 }, { b:null } ] } does match because there is an explicit null value of &apos;a.b&apos;.&lt;/p&gt;

&lt;p&gt;This behavior was requested in &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-3377&quot; title=&quot;$elemMatch results not a subset of non $elemMatch results when there are missing values&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-3377&quot;&gt;&lt;del&gt;SERVER-3377&lt;/del&gt;&lt;/a&gt;.&lt;/p&gt;


&lt;p&gt;Observed behavior in this ticket:&lt;br/&gt;
When nested fields are missing within some elements of an array, they are indexed as null.  One such null value may be used to determine document ordering when a sort is applied.&lt;/p&gt;


&lt;p&gt;Proposed behavior for this ticket:&lt;br/&gt;
A null value representing a missing field will only be used for sorting if the field is missing from all nested objects within an array, unless the user performs an $elemMatch null query of the type described above.&lt;/p&gt;


&lt;p&gt;Aaron&lt;/p&gt;

&lt;p&gt;-----------------------------------------------------------------------------------------------&lt;/p&gt;

&lt;p&gt;The attached test case documents and reproduces the problem, but the tl;dr is that if you have a colleciton with documents like:&lt;/p&gt;

&lt;p&gt;{ &apos;x&apos; : [ { &apos;subfield&apos;: x }, { &apos;other_subfield&apos;: a } ] }&lt;br/&gt;
{ &apos;x&apos; : [ { &apos;subfield&apos;: y }, { &apos;other_subfield&apos;: b } ] }&lt;br/&gt;
{ &apos;x&apos; : [ { &apos;subfield&apos;: z }, { &apos;other_subfield&apos;: c } ] }&lt;/p&gt;

&lt;p&gt;Then trying to sort on x.subfield works in a DESCENDING sort, but fails to order the records on the selected subfield in an ASCENDING sort.&lt;/p&gt;</description>
                <environment></environment>
        <key id="31458">SERVER-5065</key>
            <summary>a missing field nested within an array is sorted as &apos;null&apos;, even if the same field exists inside another array element</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</type>
                                            <priority id="3" iconUrl="https://jira.mongodb.org/images/icons/priorities/major.svg">Major - P3</priority>
                        <status id="6" iconUrl="https://jira.mongodb.org/images/icons/statuses/closed.png" description="The issue is considered finished, the resolution is correct. Issues which are closed can be reopened.">Closed</status>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="9">Done</resolution>
                                        <assignee username="david.storch@mongodb.com">David Storch</assignee>
                                    <reporter username="andrew.morrow@mongodb.com">Andrew Morrow</reporter>
                        <labels>
                            <label>query_triage</label>
                    </labels>
                <created>Fri, 24 Feb 2012 14:45:34 +0000</created>
                <updated>Thu, 17 Aug 2017 13:06:41 +0000</updated>
                            <resolved>Tue, 15 Aug 2017 16:03:12 +0000</resolved>
                                    <version>2.0.2</version>
                    <version>2.1.0</version>
                                                    <component>Querying</component>
                                        <votes>3</votes>
                                    <watches>10</watches>
                                                                                                                <comments>
                            <comment id="1648695" author="david.storch" created="Tue, 15 Aug 2017 16:02:48 +0000"  >&lt;p&gt;Hi all,&lt;/p&gt;

&lt;p&gt;We have settled on consistent array sort behavior for both the &lt;tt&gt;find&lt;/tt&gt; and &lt;tt&gt;aggregate&lt;/tt&gt; commands under &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-19402&quot; title=&quot;Change semantics of sorting by array fields in find and aggregate&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-19402&quot;&gt;&lt;del&gt;SERVER-19402&lt;/del&gt;&lt;/a&gt;. This issue report is consistent with that behavior, so I am closing this ticket as Works as Designed.&lt;/p&gt;

&lt;p&gt;The undesirable behavior here has more to do with our indexing semantics for null than with sorting. &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-19402&quot; title=&quot;Change semantics of sorting by array fields in find and aggregate&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-19402&quot;&gt;&lt;del&gt;SERVER-19402&lt;/del&gt;&lt;/a&gt; specifies that sort key extraction is done using the same semantics as index key extraction. Therefore, if nested documents with a missing value generate a null index key, then the sorting code will also generate a null sort key. Arguably we should change index key generation to avoid this problem. This, of course, would require an index version bump. Furthermore, index key generation semantics have implications for matching semantics, and for whether or not we can generate covered plans which match on null: see &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-18861&quot; title=&quot;Queries matching null value should be fully covered by index&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-18861&quot;&gt;SERVER-18861&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;Please feel free to reach out here with any followup questions.&lt;/p&gt;

&lt;p&gt;Best,&lt;br/&gt;
Dave&lt;/p&gt;</comment>
                            <comment id="267004" author="ron.avnur@10gen.com" created="Fri, 15 Feb 2013 11:27:37 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=aaron&quot; class=&quot;user-hover&quot; rel=&quot;aaron&quot;&gt;aaron&lt;/a&gt;, proposed behavior in description sounds reasonable to me.&lt;/p&gt;</comment>
                            <comment id="178744" author="aaron" created="Wed, 24 Oct 2012 17:27:08 +0000"  >&lt;p&gt;As a workaround you can use the query portion of your find to ensure that the sort field does not match null, eg using original example from the description:&lt;/p&gt;

&lt;p/&gt;
&lt;div id=&quot;syntaxplugin&quot; class=&quot;syntaxplugin&quot; style=&quot;border: 1px dashed #bbb; border-radius: 5px !important; overflow: auto; max-height: 30em;&quot;&gt;
&lt;table cellspacing=&quot;0&quot; cellpadding=&quot;0&quot; border=&quot;0&quot; width=&quot;100%&quot; style=&quot;font-size: 1em; line-height: 1.4em !important; font-weight: normal; font-style: normal; color: black;&quot;&gt;
		&lt;tbody &gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;  margin-top: 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;c = db.c;&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;c.drop();&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&amp;nbsp;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;c.save( { &apos;x&apos; : [ { &apos;subfield&apos;: &apos;x&apos; }, { &apos;other_subfield&apos;: &apos;a&apos; } ] } );&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;c.save( { &apos;x&apos; : [ { &apos;subfield&apos;: &apos;z&apos; }, { &apos;other_subfield&apos;: &apos;c&apos; } ] } );&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;c.save( { &apos;x&apos; : [ { &apos;subfield&apos;: &apos;y&apos; }, { &apos;other_subfield&apos;: &apos;b&apos; } ] } );&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&amp;nbsp;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;// Sorts using implicit nulls.                                                                         &lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;printjson( c.find().sort( { &apos;x.subfield&apos;:1 } ).toArray() );&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;// Does not sort using implicit nulls.                                                                 &lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   margin-bottom: 10px;  width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;printjson( c.find( { &apos;x.subfield&apos;:{ $ne:null } } ).sort( { &apos;x.subfield&apos;:1 } ).toArray() );&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
			&lt;/tbody&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;p/&gt;</comment>
                            <comment id="155498" author="baobeimm" created="Tue, 21 Aug 2012 18:16:30 +0000"  >&lt;p&gt;This is affecting our production deployment. We provide a cloud services to app developers and the sort is currently broken for all developers and their apps. Please bump up the priority if you can. Thanks!&lt;/p&gt;</comment>
                            <comment id="93119" author="acm" created="Mon, 27 Feb 2012 23:26:02 +0000"  >&lt;p&gt;Hi Aaron -&lt;/p&gt;

&lt;p&gt;I just noticed that the &apos;Affects Versions&apos; field was changed from 2.0.2 to 2.1.0 for this ticket. I definitely experience this problem with 2.0.2, and having the &apos;affects&apos; set to 2.1 makes it look as if this issue only affects the unstable version. Does setting it to 2.1 mean that this will not be fixed in the stable/2.0 release series?&lt;/p&gt;</comment>
                            <comment id="91949" author="aaron" created="Fri, 24 Feb 2012 17:32:48 +0000"  >&lt;p&gt;Haven&apos;t fully checked, but I think the issue is that the &lt;/p&gt;
{&apos;other_subfield&apos;:a}
&lt;p&gt; sub document is creating an invisible null key for &apos;x.subfield&apos; (see &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-3377&quot; title=&quot;$elemMatch results not a subset of non $elemMatch results when there are missing values&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-3377&quot;&gt;&lt;del&gt;SERVER-3377&lt;/del&gt;&lt;/a&gt;).  When we sort in one direction, we see a real value before this null value, but when we sort in the opposite direction we see&lt;br/&gt;
null as the first &apos;events.create.event_time&apos; key for each of these&lt;br/&gt;
documents and so they are all considered equal for sorting purposes.&lt;/p&gt;

&lt;p/&gt;
&lt;div id=&quot;syntaxplugin&quot; class=&quot;syntaxplugin&quot; style=&quot;border: 1px dashed #bbb; border-radius: 5px !important; overflow: auto; max-height: 30em;&quot;&gt;
&lt;table cellspacing=&quot;0&quot; cellpadding=&quot;0&quot; border=&quot;0&quot; width=&quot;100%&quot; style=&quot;font-size: 1em; line-height: 1.4em !important; font-weight: normal; font-style: normal; color: black;&quot;&gt;
		&lt;tbody &gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;  margin-top: 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;&amp;gt; c = db.c&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;test.c&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;&amp;gt; c.save( {a:[{b:1}]} )&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;&amp;gt; c.save( {a:[{b:3}]} )&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;&amp;gt; c.save( {a:[{b:2}]} )&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;&amp;gt; c.find().sort( {&apos;a.b&apos;:1} )&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;{ &quot;_id&quot; : ObjectId(&quot;4f47c71c02fa1356109b9089&quot;), &quot;a&quot; : [ { &quot;b&quot; : 1 } ] }&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;{ &quot;_id&quot; : ObjectId(&quot;4f47c71f02fa1356109b908b&quot;), &quot;a&quot; : [ { &quot;b&quot; : 2 } ] }&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;{ &quot;_id&quot; : ObjectId(&quot;4f47c71e02fa1356109b908a&quot;), &quot;a&quot; : [ { &quot;b&quot; : 3 } ] }&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;&amp;gt; c.find().sort( {&apos;a.b&apos;:-1} )&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;{ &quot;_id&quot; : ObjectId(&quot;4f47c71e02fa1356109b908a&quot;), &quot;a&quot; : [ { &quot;b&quot; : 3 } ] }&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;{ &quot;_id&quot; : ObjectId(&quot;4f47c71f02fa1356109b908b&quot;), &quot;a&quot; : [ { &quot;b&quot; : 2 } ] }&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;{ &quot;_id&quot; : ObjectId(&quot;4f47c71c02fa1356109b9089&quot;), &quot;a&quot; : [ { &quot;b&quot; : 1 } ] }&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;&amp;gt; c.remove()&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;&amp;gt; c.save( {a:[{b:1},{}]} )&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;&amp;gt; c.save( {a:[{b:3},{}]} )&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;&amp;gt; c.save( {a:[{b:2},{}]} )&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;&amp;gt; c.find().sort( {&apos;a.b&apos;:1} )&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;{ &quot;_id&quot; : ObjectId(&quot;4f47c74602fa1356109b908c&quot;), &quot;a&quot; : [ { &quot;b&quot; : 1 }, { } ] }&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;{ &quot;_id&quot; : ObjectId(&quot;4f47c74c02fa1356109b908d&quot;), &quot;a&quot; : [ { &quot;b&quot; : 3 }, { } ] }&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;{ &quot;_id&quot; : ObjectId(&quot;4f47c75102fa1356109b908e&quot;), &quot;a&quot; : [ { &quot;b&quot; : 2 }, { } ] }&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;&amp;gt; c.find().sort( {&apos;a.b&apos;:-1} )&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;{ &quot;_id&quot; : ObjectId(&quot;4f47c74c02fa1356109b908d&quot;), &quot;a&quot; : [ { &quot;b&quot; : 3 }, { } ] }&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;{ &quot;_id&quot; : ObjectId(&quot;4f47c75102fa1356109b908e&quot;), &quot;a&quot; : [ { &quot;b&quot; : 2 }, { } ] }&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;{ &quot;_id&quot; : ObjectId(&quot;4f47c74602fa1356109b908c&quot;), &quot;a&quot; : [ { &quot;b&quot; : 1 }, { } ] }&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;&amp;gt; c.remove()&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;&amp;gt; c.save( {a:[{b:1},{c:1}]} )&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;&amp;gt; c.save( {a:[{b:3},{c:1}]} )&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;&amp;gt; c.save( {a:[{b:2},{c:1}]} )&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;&amp;gt; c.find().sort( {&apos;a.b&apos;:1} )&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;{ &quot;_id&quot; : ObjectId(&quot;4f47c8eb02fa1356109b908f&quot;), &quot;a&quot; : [ { &quot;b&quot; : 1 }, { &quot;c&quot; : 1 } ] }&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;{ &quot;_id&quot; : ObjectId(&quot;4f47c8f802fa1356109b9090&quot;), &quot;a&quot; : [ { &quot;b&quot; : 3 }, { &quot;c&quot; : 1 } ] }&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;{ &quot;_id&quot; : ObjectId(&quot;4f47c8fd02fa1356109b9091&quot;), &quot;a&quot; : [ { &quot;b&quot; : 2 }, { &quot;c&quot; : 1 } ] }&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;&amp;gt; c.find().sort( {&apos;a.b&apos;:-1} )&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;{ &quot;_id&quot; : ObjectId(&quot;4f47c8f802fa1356109b9090&quot;), &quot;a&quot; : [ { &quot;b&quot; : 3 }, { &quot;c&quot; : 1 } ] }&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;{ &quot;_id&quot; : ObjectId(&quot;4f47c8fd02fa1356109b9091&quot;), &quot;a&quot; : [ { &quot;b&quot; : 2 }, { &quot;c&quot; : 1 } ] }&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;{ &quot;_id&quot; : ObjectId(&quot;4f47c8eb02fa1356109b908f&quot;), &quot;a&quot; : [ { &quot;b&quot; : 1 }, { &quot;c&quot; : 1 } ] }&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   margin-bottom: 10px;  width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;&amp;gt; &lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
			&lt;/tbody&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;p/&gt;</comment>
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