#### 37.9.1 Understanding where to use macros and macro variables

You can use a macro to insert HTML or RTF code in any of the following places:

- before, after, or in place of:
  - a paragraph or character format
  - a graphic or a group of graphics
  - a table or a group of tables
- within table cells
- at any point in the text, using an HTML Macro or Code PI marker
- at fixed points in an HTML file, such as <head>, or at start and end of <body>
- at fixed points in an RTF file, such as in the header or footer, or at top or bottom.

You can give a macro variable an initial value in [MacroVariables] (see §37.3.2 Assigning values to macro variables); however, you can use macro variables only within DITA2Go macros.

Configuration settings whose values are not themselves macros cannot include macro variables.

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Next Topic: 37.9.2 Invoking macros at predetermined points in output

Parent Topic: 37.9 Deploying macros and macro variables

Sibling Topics:

37.9.2 Invoking macros at predetermined points in output

37.9.3 Surrounding or replacing text with code or macros

37.9.4 Assigning macros to graphics or tables for HTML

37.9.5 Using HTML Macro PI markers to invoke macros

37.9.6 Implementing drop-down text with macros

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