smartindent validates, formats, and indents Nelson code without executing it. By default it normalizes leading indentation, common operator spacing, separators, and classdef block indentation. Set fullformat to false to only update leading indentation.

Full formatting keeps reference dots attached to package names, object members, and structure fields, including dynamic fields such as value.(name). Elementwise operators keep their operator spacing.

Class member block names such as properties and methods remain ordinary identifiers in executable statements. They introduce indentation blocks only in the class body.

Block-comment markers inside character arrays, strings, and line comments are preserved as text. A real unterminated block comment is rejected before the file is written.

Blocks opened and closed on the same line, such as if ready, value = 1; end, do not increase the indentation of following lines. An end used in array indexing is not a block terminator.