| Symbol Names

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Symbol names begin with a letter or with `.`, `_`, or `$`. That character may be followed by any string of digits, letters, dollar signs, and underscores. Case of letters is significant: `foo` is a different symbol name than `Foo`.
Each symbol has exactly one name. Each name in an assembly language program refers to exactly one symbol. You may use that symbol name any number of times in a program.

- Local Symbol Names
- Dollar Local Labels