Notepad++ v8.9.1 regression fixes, bug-fixes & new improvements:

1. Fix EOL duplication regression when playing back old recorded macros. (Fix issue)
2. Remedy search failure for pasted text containing trailing invisible EOL character. (Fix #17124, #17187)
3. Fix customized context menu regression where separator (id=“0”) escapes FolderName submenu. (Fix #17342)
4. Fix issue where a single undo reverted multiple changes after macro execution. (Fix #9426)
5. Fix visual glitch when dragging dockable dialogs on a 2nd monitor. (Fix #16805, #16155, #16077)
6. Fix inconsistent automatic search mode switching (RegEx to Extended) in Find dialog. (Fix #17227)
7. Fix incorrect URL parsing caused by Unicode special spaces. (Fix #16856)
8. Update to Boost 1.90.0. (Implement #17326)
9. Improve update themes feature: fix JavaScript.js edge case. (Fix issue)
10. Update javascript.js to better match javascript (embedded) in all themes. (Fix issue, report)
11. Function List: enhance for Perl & PHP; add for Nim. (Fix #17382, #17327, implement #17377)
12. Fix comments and highlighting in TCL. (Fix #17315)
13. Update perl syntax highliging keywords and autocomplete for 5.42. (Fix #17332)
14. Improvement: display Find dialog status message with invisible characters warning. (Fix #17345)