api: drop $float as JSON number is OK

1 files changed, 3 insertions, 11 deletions

diff --git a/src/document/typed.rs b/src/document/typed.rs
index 7f6e0cc..def06df 100644
--- a/src/document/typed.rs
+++ b/src/document/typed.rs
@@ -224,9 +224,9 @@ pub(crate) struct JsonForm {
 // Typed JSON is plain JSON but for what plain JSON shows as another type: a single-key
 // object whose key is a tag names it. `{"$uint": 5}`, `{"$counter": 5}`,
 // `{"$timestamp": "2026-11-01T21:50:20.345Z"}` (in the timestamp format asked),
-// `{"$bytes": "<base64>"}`, `{"$float": 2}` (a float without a fraction, which JSON
-// numbers don't keep apart from integers in every language), `{"$text": "…"}` (an
-// Automerge text). A map whose only key starts with `$` is `{"$map": {…}}`, so that
+// `{"$bytes": "<base64>"}`, `{"$text": "…"}` (an Automerge text). A float is a number,
+// as in plain JSON; a number without a fraction written over a float stays one
+// (`store::Sticky::Floats`). A map whose only key starts with `$` is `{"$map": {…}}`, so that
 // nothing else reads as a tag.
 
 /// A map's single key that is a tag, or would be taken for one.
@@ -270,9 +270,6 @@ pub(crate) fn scalar_to_json(scalar: &ScalarValue, form: JsonForm) -> Option<Jso
                 return Some(tagged("$timestamp", form.timestamps.json(*t)));
             }
             ScalarValue::Bytes(b) => return Some(tagged("$bytes", BASE64.encode(b).into())),
-            ScalarValue::F64(f) if f.fract() == 0.0 => {
-                return Some(tagged("$float", serde_json::Number::from_f64(*f)?.into()));
-            }
             _ => {}
         }
     }
@@ -590,11 +587,6 @@ impl Val {
                 })?))
             }
             "$counter" => Val::Scalar(ScalarValue::counter(integer(value)?)),
-            "$float" => Val::Scalar(ScalarValue::F64(
-                value
-                    .as_f64()
-                    .ok_or_else(|| format!("$float: not a number: {value}"))?,
-            )),
             "$timestamp" => {
                 let text = match value {
                     JsonValue::String(text) => text.clone(),