diff --git a/src/obsidian/obsidianUtils.ts b/src/obsidian/obsidianUtils.ts
index 42d4890..352455a 100644
--- a/src/obsidian/obsidianUtils.ts
+++ b/src/obsidian/obsidianUtils.ts
@@ -37,7 +37,7 @@ export class ObsidianUtils implements MediaCollector {
     private images = new Set<string>();
     private isCollecting = false;
 
-    private yamlRegex = /^---.*?---\n(.*?)($|---)/s;
+    private yamlRegex = /^(---\n[\s\S]*?\n---\n)/;
 
     constructor(app: App, settings: SlidesExtendedSettings) {
         this.app = app;
@@ -229,13 +229,15 @@ export class ObsidianUtils implements MediaCollector {
         });
 
         if (header === null) {
-            if (this.yamlRegex.test(fileContent)) {
-                return this.yamlRegex.exec(fileContent)[1];
+            const match = this.yamlRegex.exec(fileContent);
+            if (match) {
+                return fileContent.slice(match[0].length);
             }
             return fileContent;
         }
         const cache = this.app.metadataCache.getFileCache(tfile);
         const resolved = resolveSubpath(cache, header);
+        console.log("parseFile, cache, resolved", cache, resolved);
 
         if (resolved && resolved.start && resolved.start.line != null) {
             if (resolved.end && resolved.end.line != null) {
@@ -259,12 +261,6 @@ export class ObsidianUtils implements MediaCollector {
     }
 
     async fetchRemoteMarkdown(markdown: string): Promise<string> {
-        const stackTrace = Error().stack;
-        console.log(
-            "fetchRemoteMarkdown",
-            markdown.contains("file://"),
-            stackTrace,
-        );
         const wikilinkFileRegex = /!\[\[(file:.+?\.md)(\|[^\]]+)?\]\]/gi;
         const fileUrlRegex = /(!\[[^\]]*?\]\()(file:.+?\.md(?:#.+?)?)(\))/i;
 
@@ -275,7 +271,6 @@ export class ObsidianUtils implements MediaCollector {
             const url = new URL(filePath);
             return `![${alias}](${url})`;
         });
-        console.log(markdown);
 
         // Replace markdown links with markdown content
         if (fileUrlRegex.test(markdown)) {
diff --git a/src/obsidian/processors/multipleFileProcessor.ts b/src/obsidian/processors/multipleFileProcessor.ts
index e4b1b45..82b08a9 100644
--- a/src/obsidian/processors/multipleFileProcessor.ts
+++ b/src/obsidian/processors/multipleFileProcessor.ts
@@ -5,9 +5,10 @@ export class MultipleFileProcessor {
     private utils: ObsidianUtils;
 
     private regex = /!\[\[(.*?)(\|[^\]]*?)?\]\]/g;
-    private excalidrawRegex = /(.*\.excalidraw)/i;
     private markdownRegex = /!\[.*?\]\((.*?\.md)\)/g;
 
+    private excalidrawRegex = /(.*\.excalidraw)/i;
+
     private wikilinkFileRegex = /\[\[(file:.+?)(\|[^\]]+)?\]\]/gi;
     private fileUrlRegex = /(\[[^\]]*?\]\()(file:.+?)((?: ".*?")?\))/gi;
 
@@ -69,7 +70,6 @@ export class MultipleFileProcessor {
             }
 
             const fileName = this.getMarkdownFile(link.replace("%20", " "));
-
             if (fileName === null) {
                 return matched;
             }
@@ -79,10 +79,10 @@ export class MultipleFileProcessor {
                 return matched;
             }
 
-            if (comment.length > 0) {
-                return this.process(content + comment);
-            }
-            return this.process(content);
+            const result = `\n<!-- begin::[${fileName}] -->
+${this.process(content + comment).trim()}
+<!-- end::[${fileName}] -->\n`;
+            return result;
         });
     }
 
diff --git a/src/reveal/revealPreviewView.ts b/src/reveal/revealPreviewView.ts
index 9875453..047c72e 100644
--- a/src/reveal/revealPreviewView.ts
+++ b/src/reveal/revealPreviewView.ts
@@ -94,8 +94,11 @@ export class RevealPreviewView extends ItemView {
         const view = this.app.workspace.getActiveViewOfType(MarkdownView);
         if (view?.file.name.includes(filename)) {
             const line = this.getTargetLine(url, view.data);
-            view.editor.setCursor(view.editor.lastLine());
-            view.editor.setCursor({ line: line, ch: 0 });
+            // line will be undefined for embedded content
+            if (line) {
+                view.editor.setCursor(view.editor.lastLine());
+                view.editor.setCursor({ line: line, ch: 0 });
+            }
         }
     }
 
@@ -131,7 +134,6 @@ export class RevealPreviewView extends ItemView {
                 break;
             }
         }
-
         if (resultKey) {
             const keys = resultKey.split(",");
             return [Number.parseInt(keys[0]), Number.parseInt(keys[1])];