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Created page with " A Controlled Vocabulary for Documenting ConTeXt Commands Mostly for my own edification and understanding; comments appreciated! -Paul == Syntax == Vocabulary: * Command Name..."

A Controlled Vocabulary for Documenting ConTeXt Commands

Mostly for my own edification and understanding; comments appreciated! -Paul

== Syntax ==

Vocabulary:

* Command Name
* Option Block
* Settings Block
* Scope

=== Command Name ===

The '''command name''' is the part of the command that is preceded by a backslash (\).

=== Option Block ===

The '''option block''' is a square bracket ({}) delimited set of comma-separated single-word options (may also have a numerical modifier with an arithmetic operator) included after the command.

Option keywords are not necessarily consistent across all commands.

=== Settings Block ===

The '''settings block''' is a square bracket ({}) delimited set of comma-separated settings in the form of key=value pairs included after the command.

The key=value pairs are consistent across all commands (a bold claim, but so far, true!).

=== Scope ===

The '''scope''' of a command is indicated by the \start and \stop commands for that command, or by curly bracket ({}) delimited content to which the command applies, included after the command.

== Command Kinds ==

The command namespace may be extended by defining new forms of a command to semantically align to a particular use in a text. This is a ''KIND'' of the base command.

Command Kinds in the ConTeXt documentation are traditionally set in ''ITALIC UPPERCASE''.

== Argument Classes ==

Some commands can accept arguments that are of a particular class: a number, or a command, etc.

The documentation uses the following as known argument classes:

IDENTIFIER
: A label, a logical name

REFERENCE
: A label, a logical name

NAME
: A label, a logical name

CHARACTER
: A single character (glyph?) or text.

TEXT
: A piece of literal text.

MARK
: Information about document state (page number, section number)

DIMENSION
: A measure of linear distance. Can be static, dynamic, or computed.

NUMBER
: An integer

COMMAND
: A ConTeXt command.

PATH
: A file path to a file in the local filesystem.

COLOR
: A color name (or specification?)

CSNAME
: A TeX-protected sequence of characters

CONTENT
: Any amount and any kind of ConTeXt content: text, commands, etc.

General placeholders in the ConTeXt documentation are traditionally set in UPPERCASE.
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