Actions Available in the Markdown Editor
Aside from the actions that are available in Oxygen XML for any type of document (such as the actions in the various menus and the common sections of the toolbar), a variety of unique actions are also available in the Markdown editor, from the toolbar and contextual menu.
Toolbar Actions
The following default actions are available on the Markdown toolbar when editing Markdown documents:
Header (1st Level)- Inserts an atx-style first-level header at the cursor position.
Header (2st Level)- Inserts an atx-style second-level header at the cursor position.
Header (3rd Level)- Inserts an atx-style third-level header at the cursor position.
Horizontal
Rule- Inserts a horizontal rule at the cursor position.
Bold
(Strong)- Marks the selected text with bold.
Italic
(Emphasis)- Marks the selected text with italics.
Strikethrough- Marks the selected text with a strikethrough.
Code Block- Inserts (or surrounds selected text in) a codeblock.
Blockquote- Inserts a blockquote at the cursor position.
Insert
Link-
Opens the Insert Link dialog box that allows you to define a link to insert at the cursor position.
Figure 1. Insert Link Dialog Box 
Insert
Image-
Opens the Insert Image dialog box that allows you to define an image to insert at the cursor position. You can type the URL of the image you want to insert or use browsing actions in the
Browse drop-down menu.Figure 2. Insert Link Dialog Box 
Insert Ordered
List- Inserts an ordered list at the cursor position. Three child list items are also automatically inserted by default. You can also use this action to convert selected content to an ordered list.
Insert Unordered
List- Inserts an unordered list at the cursor position. Three child list items are also automatically inserted by default. You can also use this action to convert selected content to an unordered list.
Insert Task
List- Inserts a task list at the cursor position. Three child list items are also automatically inserted by default. You can also use this action to convert selected content to a task list.
Insert Table- Inserts a table at the cursor position.
Tags Display
Mode drop-down menu-
Allows you to control the amount of markup that is displayed in the Preview pane and offers the following choices:
Contextual Menu Actions
The following default actions are available in the contextual menu when editing Markdown documents:
Cut,
Copy, 
Paste- Use these actions to execute the typical editing actions on the currently selected content.
- Source submenu
-
This submenu includes the following actions:
- To Upper Case
- Converts the content selection to upper case characters.
- To Lower Case
- Converts the content selection to lower case characters.
- Capitalize Lines
- It capitalizes the first letter found on every new line that is selected. Only the first letter is affected, the rest of the line remains the same. If the first character on the new line is not a letter then no changes are made.
- Base64 Encode/Decode submenu
-
This submenu includes the following actions for encoding or decoding base 64 schemes:
- Base32 Encode/Decode submenu
-
This submenu includes the following actions for encoding or decoding base32 schemes:
- Hex Encode/Decode submenu
-
This submenu includes the following actions for encoding or decoding hex schemes:
- Join and Normalize Lines ()
- For the current selection, this action joins the lines by replacing the line separator with a single space character. It also normalizes the whitespaces by replacing a sequence of such characters with a single space.
- Insert new line after ()
- This action has the same result as moving the cursor to the end of the current line and pressing the ENTER key.
- Open submenu
-
The following actions are available in this submenu:
- Show/Hide Preview
- A toggle action that shows or hides the Preview pane.
- Export as DITA Topic
- Converts the current Markdown document into a DITA topic.
- Export as XDITA Topic
- Converts the current Markdown document into a Lightweight DITA XML topic.
- Export as HTML
- Converts the current Markdown document into an XHTML document.
- Print (Available in the Preview pane)
- Opens a page setup dialog box that allows you to configure printing options for the current document.