# Semantics M7CI

These [tests](.) are exercising the semantics rule below.

## M7CI: Case Insensitivity principle

### ECMA 367-2, 8.2.19 page 29

In writing the letters of an *Identifier* serving as name for a class, feature or entity, or a reserved word, using the upper-case or lower-case versions has no effect on the semantics.

### ECMA 367-3 (working version 3-108), 8.3.2 page 70

In writing the letters of an *Identifier* serving as name for a class, feature or entity, or a reserved word, using the lower name or upper name has no effect on the syntactic correctness, the validity or the semantics of the software text.
