Reverts the regexp change in links.js and uses {#brush-move} style anchors instead of {#brush.move}

Author: Fil

docs/components/links.js

@@ -13,7 +13,7 @@ export function getAnchors(text) {
         .toLowerCase()
     );
   }
-  for (const [, anchor] of text.matchAll(/ \{#([\w\d.-]+)\}/g)) {
+  for (const [, anchor] of text.matchAll(/ \{#([\w\d-]+)\}/g)) {
     anchors.push(anchor);
   }
   return anchors;

docs/interactions/brush.md

@@ -252,31 +252,31 @@ const brush = Plot.brush()
 
 Returns a new brush. The mark exposes the **inactive**, **context**, and **focus** methods for creating reactive marks that respond to the brush state.
 
-## *brush*.inactive(*options*) {#brush.inactive}
+## *brush*.inactive(*options*) {#brush-inactive}
 
 ```js
 Plot.dot(data, brush.inactive({x: "weight", y: "height", fill: "species"}))
 ```
 
 Returns mark options that show the mark when no brush selection is active, and hide it during brushing. Use this for the default appearance of data before any selection is made.
 
-## *brush*.context(*options*) {#brush.context}
+## *brush*.context(*options*) {#brush-context}
 
 ```js
 Plot.dot(data, brush.context({x: "weight", y: "height", fill: "#ccc"}))
 ```
 
 Returns mark options that hide the mark by default and, during brushing, show only the points *outside* the selection. Use this for a dimmed background layer.
 
-## *brush*.focus(*options*) {#brush.focus}
+## *brush*.focus(*options*) {#brush-focus}
 
 ```js
 Plot.dot(data, brush.focus({x: "weight", y: "height", fill: "species"}))
 ```
 
 Returns mark options that hide the mark by default and, during brushing, show only the points *inside* the selection. Use this to highlight the selected data.
 
-## *brush*.move(*value*) {#brush.move}
+## *brush*.move(*value*) {#brush-move}
 
 ```js
 brush.move({x1: 36, x2: 48, y1: 15, y2: 20})