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9.5 System Defined Character Attributes ¶

These are predefined in Hemlock:

Whitespace

A value of 1 indicates the character is whitespace.

Word Delimiter

A value of 1 indicates the character separates words (see section text-functions).

Digit

A value of 1 indicates the character is a base ten digit. This may be shadowed in modes or buffers to mean something else.

Space

This is like Whitespace, but it should not include Newline. Hemlock uses this primarily for handling indentation on a line.

Sentence Terminator

A value of 1 indicates these characters terminate sentences (see section text-functions).

Sentence Closing Char

A value of 1 indicates these delimiting characters, such as " or ), may follow a Sentence Terminator (see section text-functions).

Paragraph Delimiter

A value of 1 indicates these characters delimit paragraphs when they begin a line (see section text-functions).

Page Delimiter

A value of 1 indicates this character separates logical pages (see section logical-pages) when it begins a line.

Scribe Syntax

This uses the following symbol values:

nil

These characters have no interesting properties.

:escape

This is @ for the Scribe formatting language.

:open-paren

These characters begin delimited text.

:close-paren

These characters end delimited text.

:space

These characters can terminate the name of a formatting command.

:newline

These characters can terminate the name of a formatting command.

Lisp Syntax

This uses symbol values from the following:

nil

These characters have no interesting properties.

:space

These characters act like whitespace and should not include Newline.

:newline

This is the Newline character.

:open-paren

This is ( character.

:close-paren

This is ) character.

:prefix

This is a character that is a part of any form it precedes — for example, the single quote, '.

:string-quote

This is the character that quotes a string literal, ".

:char-quote

This is the character that escapes a single character, \.

:comment

This is the character that makes a comment with the rest of the line, ;.

:constituent

These characters are constitute symbol names.