// Test configuring page sizes and margins.

// Set width.
[page width: 50pt][High]

// Set height.
[page height: 50pt][Wide]

// Set all margins at once.
[page margins: 40pt][
    [align top, left][TL]
    [align bottom, right][BR]
]

// Set individual margins.
[page left: 0pt   | align left][Left]
[page right: 0pt  | align right][Right]
[page top: 0pt    | align top][Top]
[page bottom: 0pt | align bottom][Bottom]

// Ensure that specific margins override general margins.
[page margins: 0pt, left: 40pt][Overriden]

// Flip the page.
[page "a10", flip: true][Flipped]

---
// Test a combination of pages with bodies and normal content.

[page height: 50pt]

[page][First]
[page][Second]
[pagebreak]
Fourth
[page][]
Sixth
[page][Seventh and last]


---
// Test changing the layouting directions of pages.

[page main-dir: btt, cross-dir: rtl]

Right to left!

---
// Test error cases.
//
// ref: false
// error: 3:7-3:18 unknown variable
// error: 6:17-6:20 aligned axis

// Invalid paper.
[page nonexistant]

// Aligned axes.
[page main-dir: ltr]