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8.1 M4 Quotation

The most common problem with existing macros is an improper quotation. This section, which users of Autoconf can skip, but which macro writers must read, first justifies the quotation scheme that was chosen for Autoconf and then ends with a rule of thumb. Understanding the former helps one to follow the latter.

• Active Characters
• One Macro Call
• Quoting and Parameters
• Quotation and Nested Macros
• changequote is Evil
• Quadrigraphs
• Dealing with unbalanced parentheses
• Quotation Rule Of Thumb