Pushes the doclayout module to the Lua stack.

Add the doclayout module under the given name to the table of preloaded packages.

Creates a Doc which is conditionally included only if it comes at the beginning of a line.

Conditionally includes the given Doc unless it is followed by a blank space.

Inserts a blank line unless one exists already.

Insert blank lines unless they exist already.

Puts a Doc in curly braces.

Puts a Doc in square brackets.

Like lblock but aligned centered.

Chomps trailing blank space off of a Doc.

Concatenates a list of Docs.

A carriage return. Does nothing if we're at the beginning of a line; otherwise inserts a newline.

Wraps a Doc in double quotes

The empty document.

Makes a Doc flush against the left margin.

Creates a hanging indent.

Encloses a Doc inside a start and end Doc.

Creates a block with the given width and content, aligned to the left.

Creates a Doc from a string.

Indents a Doc by the specified number of spaces.

Removes leading blank lines from a Doc.

Makes a Doc non-reflowable.

Puts a Doc in parentheses.

Uses the specified string as a prefix for every line of the inside document (except the first, if not at the beginning of the line).

Wraps a Doc in single quotes.

Like lblock but aligned to the right.

A breaking (reflowable) space.

Render a Doc. The text is reflowed on breakable spaces to match the given line length. Text is not reflowed if the line length parameter is omitted or nil.

True iff the document is empty.

Returns the height of a block or other Doc.

Returns the minimal width of a Doc when reflowed at breakable spaces.

Returns the width of a Doc.

Returns the real length of a string in a monospace font: 0 for a combining character, 1, for a regular character, 2 for an East Asian wide character.

Returns the column that would be occupied by the last laid out character.

Retrieve a Doc Text value from the Lua stack. Strings are converted to plain Doc values.

Push a Doc Text value to the Lua stack.