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You can insert symbols and other special characters by using the Character Map dialog box that can be opened with the Edit > Insert from Character Map action. If you have chosen to display the Symbols toolbar (in the Configure Toolbars dialog box), you can also use the Symbols drop-down menu to insert some of the most commonly used symbols and selecting More symbols from that menu will also open the Character Map dialog box.

Figure: Character Map Dialog Box

The Character Map dialog box allows you to visualize all characters that are available in a particular font, pick the character you need, and insert it in the document you are editing. It includes the following fields and sections:
Font
Use this drop-down list to choose the font for which you want to display characters.
Unicode Block
Use this drop-down list to only see a certain range of characters. This will filter the number of characters displayed, showing only a contiguous range of characters corresponding to the selected block. Unassigned characters are displayed as empty squares.
Search
Use this filter to search for a character by one of the following attributes:
  • hexadecimal
  • decimal
  • description
    Note: Selecting description opens the Details tab. If you enter a character description in the Search field, tdescription is selected automatically.
Character Table Section
The characters that are available to be inserted are listed in two tabs:
  • Compact - Matrix-like table that displays a visual representation of the characters.
  • Details - Displays the available characters in a tabular format, presenting their decimal and hexadecimal value along with their description.
Recently Used Characters Section
Displays the symbols that you have used recently and you can also select one from there to insert it in the current document.
Character Mode Section
The next section of the dialog box allows you to select how you want the character to appear in the Text editing mode. You can choose between the following:
  • Character
  • Character entity - decimal
  • Character entity - hexadecimal

You can see the character or code that will be inserted in Text mode next to the selections in this section and a box on the right side of the dialog box allows you to see the character that will be inserted in Author mode. You can also see the name and range name of a character either at the bottom of the dialog box, or in a tooltip when hovering the cursor over the character.

Press the Insert button to insert the selected character in the current editor at cursor position. You will see the character in the editor if the editor font is able to render it. The Copy button copies it to the clipboard without inserting it in the editor.

Note: The Character Map dialog box cannot be used to insert Unicode characters in the Grid editor. Accordingly, the Insert button of the dialog box will be disabled if the current document is edited in Grid mode.