add max and min, spell out log

Author: chrisj

src/ui/url_hash_binding.ts

@@ -129,10 +129,10 @@ export class UrlHashBinding extends RefCounted {
       if (stateString !== this.prevStateString) {
         this.prevStateString = stateString;
         const userFunc = this.viewer.urlHashRateLimit.value;
-        const safeFunc = /^[x */\+\-\d\(\)le]*$/;
+        const safeFunc = /^[xelogmaxin */\+\-\d\(\)]*$/;
         if (safeFunc.test(userFunc)) {
           const translatedFunc = userFunc
-            .replaceAll("l", "Math.log")
+            .replaceAll("log", "Math.log")
             .replaceAll("e", "Math.E");
           this.urlHashRateLimit.value = eval(
             `'use strict';(x) => ${translatedFunc}`,