remove R and R Markdown syntaxes

Author: randy3k

README.md

@@ -2,8 +2,9 @@
 
 [![Badge](https://aka.ms/vsls-badge)](https://aka.ms/vsls)
 
-This [VS Code](https://code.visualstudio.com/) extension provides support for the [R programming language](https://www.r-project.org), including features such as
-extended syntax highlighting, R language service based on code analysis, interacting with R terminals, viewing data, plots, workspace variables, help pages, managing packages, and working with [R Markdown](https://rmarkdown.rstudio.com/) documents.
+This [VS Code](https://code.visualstudio.com/) extension provides support for the [R programming language](https://www.r-project.org), including features such as R language service based on code analysis, interacting with R terminals, viewing data, plots, workspace variables, help pages, managing packages, and working with [R Markdown](https://rmarkdown.rstudio.com/) documents.
+
+The R and R Markdown syntaxes are located in a slibing package [vscode-R-syntax](https://github.com/REditorSupport/vscode-R-syntax).
 
 Go to the [wiki](https://github.com/REditorSupport/vscode-R/wiki) to view the documentation of the extension.
 
@@ -33,8 +34,6 @@ Go to the installation wiki pages ([Windows](https://github.com/REditorSupport/v
 
 ## Features
 
-* Extended syntax highlighting for R, R Markdown, and R Documentation.
-
 * Snippets for R and R Markdown.
 
 * [R Language Service](https://github.com/REditorSupport/vscode-R/wiki/R-Language-Service): Code completion, function signature, symbol highlight, document outline, formatting, definition, diagnostics, references, and more.

package.json

@@ -2129,5 +2129,8 @@
     "vscode-languageclient": "^9.0.1",
     "vsls": "^1.0.4753",
     "winreg": "^1.2.4"
-  }
+  },
+  "extensionDependencies": [
+    "REditorSupport.r-syntax"
+  ]
 }