New in Version 19.0

July 30, 2019

New General Features

  • Added an ability to check syntax of HTML, CSS, and JSON documents using CSS HTML Validator Lite (EmEditor edition), which is included in the installer.
  • Added an ability to check syntax of XML documents using MSXML Parser.
  • The Validate CSV command is now called the Syntax Check command, and it can check syntax of all supported document types (CSV, XML, HTML, CSS, and JSON).
  • Syntax check errors are displayed with red wiggly underlines (customizable), and hovering the mouse pointer causes a tooltip show information about the errors. Syntax check can be automatically refreshed for smaller documents.
  • The new version allows you to customize underline colors for highlight separately from the text colors (Display page of the Configuration Properties dialog box).
  • Added the new Sort Reverse command, which allows you to sort document(s) in reversed order.
  • Greatly improved the speed of switching to a CSV mode, and the Syntax Check (CSV) and Adjust Separator Position (Whole Document) commands using multi-threaded code and the AVX-2 instruction set found in recent CPUs .
  • Greatly improved the speed of the Delete Duplicate Lines command on a very large file using multi-threaded code and the AVX-2 and SSE4.2 instruction sets found in recent CPUs.

Test results:

v18.9v19.0Comparison
Switch to CSV mode1.67 seconds0.206 seconds 8.11 times faster
Delete Duplicate Lines47.7 seconds20.3 seconds 2.35 times faster

* Switch to CSV mode: 1.99 GB 15.8 million lines, comma separated numbers.
Delete Duplicate Lines: 2.70 GB, 200 million lines, random ASCII data.
All: Use Temporary Files option on, 16 threads, Windows 10 (64-bit), Core i9-9900K, 32GB RAM, 2TB SSD.

New Options

  • Added the Syntax Check page to the Customize dialog box.
  • Added the Syntax Check page to the Configuration Properties dialog box.
  • Added the Underline Color drop-down list box to the Display page of the Configuration Properties dialog box.
  • Added the Enable file mapping when saving a large file check box to the File page of the Customize dialog box.
  • Added the Instruction Set drop-down list box to the Advanced page of the Customize dialog box.
  • Added the Number of Tabs option to the Type drop-down list box in the Outline page of configuration properties.
  • Added the Inspect Selected Strings Only radio button to the Delete Duplicate Lines dialog box.
  • Added the Inspect only selected strings when vertical seleciton or multiple selections exist (Delete Duplicates command) option to the Edit page of the Customize dialog box.
  • Added the Inspect only selected strings when vertical seleciton or multiple selections exist option to the Sort page of the Customize dialog box.

New Commands

  • Syntax Check Properties
  • Customize Syntax Check
  • Syntax Checker
  • Sort Reverse

Plug-in API New Features

  • Added the SORT_REVERSE and SORT_INSPECT_NOT_SEL_ONLY flags to the SORT_INFO structure and Editor_Sort inline function.
  • Added the MANAGE_DUPLIDATES_INSPECT_SEL_ONLY flag to the MANAGE_DUPLICATES_INFO structure and Editor_ManageDuplicates inline function.

Macro New Features

  • Added the V (sorts reverse) option and the eeSortInspectNotSelOnly flag to the Sort method of the Document object.
  • Added the eeSortInspectSelOnly flag to the DeleteDuplicates method of the Document object.