fix: #54

types/xpcom/pluginAPI/itemTreeManager.d.ts

@@ -12,7 +12,7 @@ declare namespace _ZoteroTypes {
      * @property {string[]} [disabledIn] - Will be deprecated. Types of trees where the column is not available
      * @property {boolean} [sortReverse=false] - Default: false. Set to true to reverse the sort order
      * @property {number} [flex=1] - Default: 1. When the column is added to the tree how much space it should occupy as a flex ratio
-     * @property {number} [width] - A column width instead of flex ratio. See above.
+     * @property {string} [width] - A column width instead of flex ratio. See above.
      * @property {boolean} [fixedWidth] - Default: false. Set to true to disable column resizing
      * @property {boolean} [staticWidth] - Default: false. Set to true to prevent columns from changing width when the width of the tree increases or decreases
      * @property {number} [minWidth] - Override the default [20px] column min-width for resizing
@@ -35,7 +35,7 @@ declare namespace _ZoteroTypes {
       disabledIn?: string[];
       sortReverse?: boolean;
       flex?: number;
-      width?: number;
+      width?: string;
       fixedWidth?: boolean;
       staticWidth?: boolean;
       minWidth?: number;