Fix: issue#190 (#317)

* Fixed search results with diacritics

- Caches are now stored with diacritics regardless of settings.ignoreDiacritics
- Modified getMatches() behavior to return results with correct form
- Modified ResultItemVault.svelte

* Fixed highlighting words with comma and period

- remove commas and periods from matches

* Fixed highlighting of Cyrillic characters

- changed highlight regexp determination to be based on character type

* Fixed highlighting problem of Japanese and Korean

- marked some Japanese diacritics to escape removal
- added NFC normalization to keep right form of Korean character

* Fixed highlighting of words with punctuation

- deleted space/punctuation list from stringsToRegex()
- it seems to be working correctly with words with punctuation and hyphenated words AFAIK

* Deleted some unused imports

* Modified the comment

* Added comment

* Fixed highlighting issue with comma and period

* Fixed highlighting issue with caret and other symbols

- Added `^` to separators
- Changed regex to use separators
- Added escape of `^` from diacritics removal

src/components/ResultItemVault.svelte

@@ -1,5 +1,5 @@
 <script lang="ts">
-  import { settings, showExcerpt } from 'src/settings'
+  import { showExcerpt } from 'src/settings'
   import type { ResultNote } from '../globals'
   import {
     getExtension,
@@ -7,12 +7,16 @@
     isFileImage,
     isFilePDF,
     pathWithoutFilename,
-    removeDiacritics,
   } from '../tools/utils'
   import ResultItemContainer from './ResultItemContainer.svelte'
   import { TFile, setIcon, App } from 'obsidian'
   import { cloneDeep } from 'lodash-es'
-  import { stringsToRegex, getMatches, makeExcerpt, highlightText } from 'src/tools/text-processing'
+  import {
+    stringsToRegex,
+    getMatches,
+    makeExcerpt,
+    highlightText,
+  } from 'src/tools/text-processing'
 
   export let selected = false
   export let note: ResultNote
@@ -44,9 +48,6 @@
   $: {
     title = note.basename
     notePath = pathWithoutFilename(note.path)
-    if (settings.ignoreDiacritics) {
-      title = removeDiacritics(title)
-    }
 
     // Icons
     if (elFolderPathIcon) {