move api out of proposed, #1800

Author: jrieken

src/vs/vscode.d.ts

@@ -7477,6 +7477,19 @@ declare module 'vscode' {
 		 */
 		export function getLanguages(): Thenable<string[]>;
 
+		/**
+		 * Set (and change) the [language](#TextDocument.languageId) that is associated
+		 * with the given document.
+		 *
+		 * *Note* that calling this function will trigger the [`onDidCloseTextDocument`](#workspace.onDidCloseTextDocument) event
+		 * followed by the [`onDidOpenTextDocument`](#workspace.onDidOpenTextDocument) event.
+		 *
+		 * @param document The document which language is to be changed
+		 * @param languageId The new language identifier.
+		 * @returns A thenable that resolves with the updated document.
+		 */
+		export function setTextDocumentLanguage(document: TextDocument, languageId: string): Thenable<TextDocument>;
+
 		/**
 		 * Compute the match between a document [selector](#DocumentSelector) and a document. Values
 		 * greater than zero mean the selector matches the document.

src/vs/vscode.proposed.d.ts

@@ -11,26 +11,6 @@ declare module 'vscode' {
 		export function sampleFunction(): Thenable<any>;
 	}
 
-	//#region Joh - https://github.com/Microsoft/vscode/issues/1800
-
-	export namespace languages {
-
-		/**
-		 * Set (and change) the [language](#TextDocument.languageId) that is associated
-		 * with the given document.
-		 *
-		 * *Note* that calling this function will trigger the [`onDidCloseTextDocument`](#languages.onDidCloseTextDocument) event
-		 * followed by the [`onDidOpenTextDocument`](#languages.onDidOpenTextDocument) event.
-		 *
-		 * @param document The document which language is to be changed
-		 * @param languageId The new language identifier.
-		 * @returns A thenable that resolves with the updated document.
-		 */
-		export function setTextDocumentLanguage(document: TextDocument, languageId: string): Thenable<TextDocument>;
-	}
-
-	//#endregion
-
 	//#region Joh - read/write in chunks
 
 	export interface FileSystemProvider {

src/vs/workbench/api/node/extHost.api.impl.ts

@@ -270,7 +270,6 @@ export function createApiFactory(
 				return extHostLanguages.getLanguages();
 			},
 			setTextDocumentLanguage(document: vscode.TextDocument, languageId: string): Thenable<vscode.TextDocument> {
-				checkProposedApiEnabled(extension);
 				return extHostLanguages.changeLanguage(document.uri, languageId);
 			},
 			match(selector: vscode.DocumentSelector, document: vscode.TextDocument): number {