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docs : fix small error in JSON keys and values example (#327)

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fix error in JSON keys and values example
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cbobinec
2025-03-19 13:54:05 -07:00
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commit de4e1e478f
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@@ -417,9 +417,9 @@ be reduced to the maximum that can be used with the specified _maxzoom_.
that are dropped, coalesced-as-needed, or clustered. The _operation_ may be that are dropped, coalesced-as-needed, or clustered. The _operation_ may be
`sum`, `product`, `mean`, `max`, `min`, `concat`, or `comma` `sum`, `product`, `mean`, `max`, `min`, `concat`, or `comma`
to specify how the named _attribute_ is accumulated onto the attribute of the same name in a feature that does survive. to specify how the named _attribute_ is accumulated onto the attribute of the same name in a feature that does survive.
The attributes and operations may also be specified as JSON keys and values: `--accumulate-attribute='{"attr": "operation", "attr2", "operation2"}'`. The attributes and operations may also be specified as JSON keys and values: `--accumulate-attribute='{"attr": "operation", "attr2": "operation2"}'`.
* `--set-attribute` _attribute_`:`_value_: Set the value of the specified _attribute_ in each feature to the specified _value_. This is mostly useful to give an attribute in each feature an initial value for `--accumulate-attribute`. * `--set-attribute` _attribute_`:`_value_: Set the value of the specified _attribute_ in each feature to the specified _value_. This is mostly useful to give an attribute in each feature an initial value for `--accumulate-attribute`.
The attributes and values may also be specified as JSON keys and values: `--set-attribute='{"attr": value, "attr2", value}'`. The attributes and values may also be specified as JSON keys and values: `--set-attribute='{"attr": value, "attr2": value}'`.
* `-pe` or `--empty-csv-columns-are-null`: Treat empty CSV columns as nulls rather than as empty strings. * `-pe` or `--empty-csv-columns-are-null`: Treat empty CSV columns as nulls rather than as empty strings.
* `-aI` or `--convert-stringified-ids-to-numbers`: If a feature ID is the string representation of a number, convert it to a plain number to use as the feature ID. * `-aI` or `--convert-stringified-ids-to-numbers`: If a feature ID is the string representation of a number, convert it to a plain number to use as the feature ID.
* `--use-attribute-for-id=`*name*: Use the attribute with the specified *name* as if it were specified as the feature ID. (If this attribute is a stringified number, you must also use `-aI` to convert it to a number.) * `--use-attribute-for-id=`*name*: Use the attribute with the specified *name* as if it were specified as the feature ID. (If this attribute is a stringified number, you must also use `-aI` to convert it to a number.)