Specify the output options

emit

Use the emit option to specify which computer language specification to use for the final output document.

Syntax

The emit option is used to specify the computer language specification to follow to produce the final output document. BLUEPHRASE can be used to create files that are needed in a wide range of solutions, including markup languages, text documents, and serializing data structures. By default, the output is HTML.

The indent option is used to specify how structured markup is indented. By default, structured output is indented with tabs. Use the indent option to change this to spaces or to emit without indentation.

The fragment option is used to control the automatic inclusion of html, head and body elements, which are needed by HTML. The default is nofragment.

The html-target option is used to control the inclusion of the XML namspace declaration required in ePub documents.

To change the defaults, use the emit and indent options:

!option --emit=language

!option --indent=tabs // use tabs to indent the output
!option --indent=spaces // use spaces to indent the output
!option --indent=none // do not indent the output

!option --fragment // never prepend <html> or <body>, even when missing
!option --nofragment // automatically prepend <html> and <body>, if missing

!option --html-target=www // conforms to HTML5 standard
!option --html-target=epub // conforms to ePUB standard
Declaring the output options

Emit options

Markup languages

option language specification
html Emits HTML conforming markup
xml Emits XML conforming markup
haml Emits output that conforms to the requirements for HTML Abstraction Markup Language

Text documents

option language specification
wiki Emits output that is understandable to wikitext readers
md Emits output that is understandable to markdown readers
ghfm Emits output in Github-flavored markdown format
txt Emits only the subject matter of each phrase, without any semantax or shorthand directives
blue Emits BLUEPHRASE in canonicalized form

Serialized data structures

option language specification
json Emits output that conforms to the requirements for JavaScript Object Notation
yaml Emits output that conforms to the requirements for YAML Ain't Markup Language
toml Emits output that conforms to the requirements for Tom's Obvious Minimal Language
plist Emits output that conforms to the requirements for Apple property lists
ini Emits output that conforms to the loose rules created for Windows 3.1 configuration files, and later used for Linux configuration files as well

Fragments

When the default nofragment option is enabled, the html emitter will automatically use the following template to create any missing html, head or body elements.

<html>
<head>
<title>Placeholder</title>
<meta charset=UTF-8 />
</head>
<body>

. . .

</body>
</html>
The nofragment template

ePUB

The html emitter will normally produce output files that comply with the HTML5 specification. This is a good default for websites. To change the output to conform to ePUB standards, specify the epub option. It will produce documents with the required xml namespace declarations.

!option --html-target=epub
Declaring the epub HTML target
<html xmlns='http://www.w3.org/1999/xhtml' xmlns:epub='http://www.idpf.org/2007/ops'>
<head>
<title>Placeholder</title>
</head>
<body>
. . .
</body>
</html>
Output using the pub HTML target
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syntax > options > emitSpecify the output options

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