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Clarify macro names with quotes 

Inspired by jnqnfe. Thanks!
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Carol (Nichols || Goulding) 2018-11-01 21:38:43 -04:00
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2018-edition/src/ch19-06-macros.md
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@ -46,8 +46,8 @@ can define functions anywhere and call them anywhere.
### Declarative Macros with `macro_rules!` for General Metaprogramming
The most widely used form of macros in Rust are *declarative macros*. These are
also sometimes referred to as *macros by example*, *`macro_rules!` macros*, or
just plain *macros*. At their core, declarative macros allow you to write
also sometimes referred to as “macros by example”, “`macro_rules!` macros”, or
just plain “macros”. At their core, declarative macros allow you to write
something similar to a Rust `match` expression. As discussed in Chapter 6,
`match` expressions are control structures that take an expression, compare the
resulting value of the expression to patterns, and then run the code associated