Add remark that JSON Schema multipleOf is unreliable for decimal fractions (#789)

Author: Simran-B

site/content/3.11/concepts/data-structure/documents/schema-validation.md

@@ -348,6 +348,8 @@ this restriction.
 Attributes with numeric values always have the type `"number"`, even if they are
 whole numbers (and internally use an `integer` type). If you want to restrict an
 attribute to integer values, use `"type": "number"` together with `"multipleOf": 1`.
+Using `multipleOf` with decimal places is not recommended because it doesn't
+work reliably due to floating-point inaccuracy.
 
 {{< security >}}
 Remote schemas are not supported for security reasons.

site/content/3.12/concepts/data-structure/documents/schema-validation.md

@@ -348,6 +348,8 @@ this restriction.
 Attributes with numeric values always have the type `"number"`, even if they are
 whole numbers (and internally use an `integer` type). If you want to restrict an
 attribute to integer values, use `"type": "number"` together with `"multipleOf": 1`.
+Using `multipleOf` with decimal places is not recommended because it doesn't
+work reliably due to floating-point inaccuracy.
 
 {{< security >}}
 Remote schemas are not supported for security reasons.

site/content/3.13/concepts/data-structure/documents/schema-validation.md

@@ -348,6 +348,8 @@ this restriction.
 Attributes with numeric values always have the type `"number"`, even if they are
 whole numbers (and internally use an `integer` type). If you want to restrict an
 attribute to integer values, use `"type": "number"` together with `"multipleOf": 1`.
+Using `multipleOf` with decimal places is not recommended because it doesn't
+work reliably due to floating-point inaccuracy.
 
 {{< security >}}
 Remote schemas are not supported for security reasons.