diff --git a/app/client/lib/ACIndex.ts b/app/client/lib/ACIndex.ts
index e305fcff..44eb83f1 100644
--- a/app/client/lib/ACIndex.ts
+++ b/app/client/lib/ACIndex.ts
@@ -21,7 +21,7 @@ export interface ACItem {
 // Returns a trimmed, lowercase version of a string,
 // from which accents and other diacritics have been removed,
 // so that autocomplete is case- and accent-insensitive.
-export function cleanText(text: string): string {
+export function normalizeText(text: string): string {
   return deburr(text).trim().toLowerCase();
 }
 
@@ -99,7 +99,7 @@ export class ACIndexImpl<Item extends ACItem> implements ACIndex<Item> {
   // The main search function. SearchText will be cleaned (trimmed and lowercased) at the start.
   // Empty search text returns the first N items in the search universe.
   public search(searchText: string): ACResults<Item> {
-    const cleanedSearchText = cleanText(searchText);
+    const cleanedSearchText = normalizeText(searchText);
     const searchWords = cleanedSearchText.split(wordSepRegexp).filter(w => w);
 
     // Maps item index in _allItems to its score.
diff --git a/app/client/models/ColumnACIndexes.ts b/app/client/models/ColumnACIndexes.ts
index b0bbad20..bd323a1e 100644
--- a/app/client/models/ColumnACIndexes.ts
+++ b/app/client/models/ColumnACIndexes.ts
@@ -8,7 +8,7 @@
  *
  * It is currently used for auto-complete in the ReferenceEditor and ReferenceListEditor widgets.
  */
-import {ACIndex, ACIndexImpl, cleanText as clean} from 'app/client/lib/ACIndex';
+import {ACIndex, ACIndexImpl, normalizeText} from 'app/client/lib/ACIndex';
 import {ColumnCache} from 'app/client/models/ColumnCache';
 import {UserError} from 'app/client/models/errors';
 import {TableData} from 'app/client/models/TableData';
@@ -45,7 +45,7 @@ export class ColumnACIndexes {
     const items: ICellItem[] = valColumn.map((val, i) => {
       const rowId = rowIds[i];
       const text = formatter.formatAny(val);
-      const cleanText = clean(text);
+      const cleanText = normalizeText(text);
       return {rowId, text, cleanText};
     });
     items.sort(itemCompare);
diff --git a/app/client/widgets/ChoiceListEditor.ts b/app/client/widgets/ChoiceListEditor.ts
index 1bcc242e..75674031 100644
--- a/app/client/widgets/ChoiceListEditor.ts
+++ b/app/client/widgets/ChoiceListEditor.ts
@@ -1,5 +1,5 @@
 import {createGroup} from 'app/client/components/commands';
-import {ACIndexImpl, ACItem, ACResults, buildHighlightedDom, cleanText as clean, HighlightFunc} from 'app/client/lib/ACIndex';
+import {ACIndexImpl, ACItem, ACResults, buildHighlightedDom, normalizeText, HighlightFunc} from 'app/client/lib/ACIndex';
 import {IAutocompleteOptions} from 'app/client/lib/autocomplete';
 import {IToken, TokenField, tokenFieldStyles} from 'app/client/lib/TokenField';
 import {colors, testId} from 'app/client/ui2018/cssVars';
@@ -16,7 +16,7 @@ import {choiceToken, cssChoiceACItem, cssChoiceToken} from 'app/client/widgets/C
 import {icon} from 'app/client/ui2018/icons';
 
 export class ChoiceItem implements ACItem, IToken {
-  public cleanText: string = clean(this.label);
+  public cleanText: string = normalizeText(this.label);
   constructor(
     public label: string,
     public isInvalid: boolean,  // If set, this token is not one of the valid choices.
diff --git a/app/client/widgets/ReferenceEditor.ts b/app/client/widgets/ReferenceEditor.ts
index 61f25ac8..e09d9cb5 100644
--- a/app/client/widgets/ReferenceEditor.ts
+++ b/app/client/widgets/ReferenceEditor.ts
@@ -1,4 +1,4 @@
-import { ACResults, buildHighlightedDom, cleanText as clean, HighlightFunc } from 'app/client/lib/ACIndex';
+import { ACResults, buildHighlightedDom, normalizeText, HighlightFunc } from 'app/client/lib/ACIndex';
 import { Autocomplete } from 'app/client/lib/autocomplete';
 import { ICellItem } from 'app/client/models/ColumnACIndexes';
 import { reportError } from 'app/client/models/errors';
@@ -115,7 +115,7 @@ export class ReferenceEditor extends NTextEditor {
     this._showAddNew = false;
     if (!this._enableAddNew || !text) { return result; }
 
-    const cleanText = clean(text);
+    const cleanText = normalizeText(text);
     if (result.items.find((item) => item.cleanText === cleanText)) {
       return result;
     }
diff --git a/app/client/widgets/ReferenceListEditor.ts b/app/client/widgets/ReferenceListEditor.ts
index ccf2910e..cb757c70 100644
--- a/app/client/widgets/ReferenceListEditor.ts
+++ b/app/client/widgets/ReferenceListEditor.ts
@@ -1,5 +1,5 @@
 import { createGroup } from 'app/client/components/commands';
-import { ACItem, ACResults, cleanText as clean, HighlightFunc } from 'app/client/lib/ACIndex';
+import { ACItem, ACResults, normalizeText, HighlightFunc } from 'app/client/lib/ACIndex';
 import { IAutocompleteOptions } from 'app/client/lib/autocomplete';
 import { IToken, TokenField, tokenFieldStyles } from 'app/client/lib/TokenField';
 import { reportError } from 'app/client/models/errors';
@@ -26,7 +26,7 @@ class ReferenceItem implements IToken, ACItem {
    * similar to getItemText() from IAutocompleteOptions.
    */
   public label: string = typeof this.rowId === 'number' ? String(this.rowId) : this.text;
-  public cleanText: string = clean(this.text);
+  public cleanText: string = normalizeText(this.text);
 
   constructor(
     public text: string,
@@ -264,7 +264,7 @@ export class ReferenceListEditor extends NewBaseEditor {
     this._showAddNew = false;
     if (!this._enableAddNew || !text) { return result; }
 
-    const cleanText = clean(text);
+    const cleanText = normalizeText(text);
     if (result.items.find((item) => item.cleanText === cleanText)) {
       return result;
     }