diff --git a/src/setting.ts b/src/setting.ts
index 426e219..fd5b458 100644
--- a/src/setting.ts
+++ b/src/setting.ts
@@ -1,39 +1,41 @@
 // This is the setting for pseudocode.js
 export interface PseudocodeJsSettings {
-    indentSize: string;
-    commentDelimiter: string;
-    lineNumber: boolean;
-    lineNumberPunc: string;
-    noEnd: boolean;
-    captionCount: undefined;
+	indentSize: string;
+	commentDelimiter: string;
+	lineNumber: boolean;
+	lineNumberPunc: string;
+	noEnd: boolean;
+	captionCount: undefined;
+	scopeLines: boolean;
 }
 
 // Setting for this plugin
 export interface PseudocodeSettings {
-    blockSize: number;
-    preamblePath: string;
-    preambleLoadedNotice: boolean;
-    jsSettings: PseudocodeJsSettings;
+	blockSize: number;
+	preamblePath: string;
+	preambleLoadedNotice: boolean;
+	jsSettings: PseudocodeJsSettings;
 }
 
 export const DEFAULT_SETTINGS: PseudocodeSettings = {
-    blockSize: 99,
-    preamblePath: "preamble.sty",
-    preambleLoadedNotice: false,
-    jsSettings: {
-        indentSize: "1.2em",
-        commentDelimiter: "//",
-        lineNumber: false,
-        lineNumberPunc: ":",
-        noEnd: false,
-        captionCount: undefined,
-    }
+	blockSize: 99,
+	preamblePath: "preamble.sty",
+	preambleLoadedNotice: false,
+	jsSettings: {
+		indentSize: "1.2em",
+		commentDelimiter: "//",
+		lineNumber: false,
+		lineNumberPunc: ":",
+		noEnd: false,
+		captionCount: undefined,
+		scopeLines: false,
+	},
 };
 
 export const PseudocodeBlockInit =
-    "```pseudo\n" +
-    "\t\\begin{algorithm}\n\t\\caption{Algo Caption}\n\t\\begin{algorithmic}" +
-    "\n\n\t\\end{algorithmic}\n\t\\end{algorithm}" +
-    "\n```";
+	"```pseudo\n" +
+	"\t\\begin{algorithm}\n\t\\caption{Algo Caption}\n\t\\begin{algorithmic}" +
+	"\n\n\t\\end{algorithmic}\n\t\\end{algorithm}" +
+	"\n```";
 
-export const BLOCK_NAME = "pseudo";
\ No newline at end of file
+export const BLOCK_NAME = "pseudo";
diff --git a/src/setting_tab.ts b/src/setting_tab.ts
index 89b1d55..85eafd4 100644
--- a/src/setting_tab.ts
+++ b/src/setting_tab.ts
@@ -1,8 +1,4 @@
-import {
-	App,
-	PluginSettingTab,
-	Setting,
-} from "obsidian";
+import { App, PluginSettingTab, Setting } from "obsidian";
 
 import PseudocodePlugin from "main";
 
@@ -28,8 +24,8 @@ export class PseudocodeSettingTab extends PluginSettingTab {
 			.setName("Block Size")
 			.setDesc(
 				"The width of the pseudocode block. The unit is 'em'." +
-				" The default value is 99, which will work as the max width of the editor." +
-				" '30' looks good for me."
+					" The default value is 99, which will work as the max width of the editor." +
+					" '30' looks good for me."
 			)
 			.addText((text) =>
 				text
@@ -63,7 +59,8 @@ export class PseudocodeSettingTab extends PluginSettingTab {
 				text
 					.setValue(this.plugin.settings.jsSettings.commentDelimiter)
 					.onChange(async (value) => {
-						this.plugin.settings.jsSettings.commentDelimiter = value;
+						this.plugin.settings.jsSettings.commentDelimiter =
+							value;
 						await this.plugin.saveSettings();
 					})
 			);
@@ -111,6 +108,21 @@ export class PseudocodeSettingTab extends PluginSettingTab {
 					})
 			);
 
+		// Instantiate scope lines toggle setting
+		new Setting(containerEl)
+			.setName("Scope Lines")
+			.setDesc(
+				"If enabled, pseudocode blocks will have lines indicating the scope of the block."
+			)
+			.addToggle((toggle) =>
+				toggle
+					.setValue(this.plugin.settings.jsSettings.scopeLines)
+					.onChange(async (value) => {
+						this.plugin.settings.jsSettings.scopeLines = value;
+						await this.plugin.saveSettings();
+					})
+			);
+
 		containerEl.createEl("h2", { text: "Preamble Settings" });
 
 		// Instantiate Preamble Path setting
@@ -132,7 +144,9 @@ export class PseudocodeSettingTab extends PluginSettingTab {
 		// Instantiate Preamble Load Sign setting
 		new Setting(containerEl)
 			.setName("Preamble Loaded Notice")
-			.setDesc("Whether to show a notice everytime the preamble is loaded.")
+			.setDesc(
+				"Whether to show a notice everytime the preamble is loaded."
+			)
 			.addToggle((toggle) =>
 				toggle
 					.setValue(this.plugin.settings.preambleLoadedNotice)
@@ -142,4 +156,4 @@ export class PseudocodeSettingTab extends PluginSettingTab {
 					})
 			);
 	}
-}
\ No newline at end of file
+}
diff --git a/styles.css b/styles.css
index e9fdbb3..3dc0063 100644
--- a/styles.css
+++ b/styles.css
@@ -1425,6 +1425,16 @@ If your plugin does not need CSS, delete this file.
 	text-indent: 0;
 }
 
+/* scope lines support */
+.ps-root .ps-algorithmic.with-scopelines div.ps-block {
+    border-left-style: solid;
+    border-left-width: 0.1em;
+    padding-left: 0.6em;
+}
+.ps-root .ps-algorithmic.with-scopelines > div.ps-block {
+    border-left: none;
+}
+
 .error-message {
 	font-family: var(--font-monospace);
 	font-size: 0.875rem;