m4 Macros by Function
The m4 technique uses a huge number of macros to accomplish the complex task of creating configuration files for all possible circumstances. Many are detailed in the reference section at the end of this chapter. Many others are documented in chapters dedicated to particular subjects. Here, we summarize many of the m4 macros by classification or function. Note that a comprehensive list of all m4 macros is available in Appendix A on page 1227.
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