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4.5:78
The user shall have control over page breaking by means of
- inserting hard page breaks,
- protecting blocks from being split across multiple pages,
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avoiding page breaks within blocks leaving only the first line(s) on the first page
(orphan control),
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avoiding page breaks within blocks leaving only the last line(s) on the second
page (widow control), and
- keeping a block’s first line(s) on the same page as the preceding block.
Celia example: Cover pages embossed separately as a 4 page set, text only on the first
page.
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4.5:79
The system shall provide the option to disable page breaking for the purpose of
producing digital documents (for reading on a refreshable braille display).
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4.5:80
The user shall have control over the page dimensions and the size of page margins.
SBS examples:
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Page width = 28 cells, page height = 28 lines, left margin = 2 cells
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Celia examples: Top margin of 2 lines.
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4.5:81
There shall be support for content in the header and footer of pages. Content can
be
rendered in the left corner, the center and the right corner.
Nota examples of footer layout1:
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Example without indication of print pagination.
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Explanation: Footers appear on recto pages only. The footer consists of a single line
at
the bottom of the page. No text flows into the footer. Generally, the footer contains
only the braille page number (right-aligned); however, if indication of print pagination
is enabled, the footer will also contain (centered) the print page or range of print
pages covered by the current braille page.
SBS examples of various footer layouts:
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Braille page number on the right, text flows into the footer. (1)
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Braille page number on the right, text flows into the footer. (2)
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Braille page number on the right, print page number on the left.
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Braille page number on the right, print page number on the left, chapter info
(heading) in the middle.
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Braille page number on the right, no print page number, chapter info (heading).
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Celia examples of various header layouts:
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Braille page number in the corner, no text flows in the header.
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Braille page number on first row, print page number on second row.
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Braille page number on top and the current print page number under it, both without
any text flow.
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Braille page number on top and beneath it the current print page in brackets with
hint word.
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4.5:82
The header and footer layout shall be able to change between sections within the
document.
SBS example: Footer layout in frontmatter is different from footer layout in bodymatter.
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4.5:83
The system shall support flowing of text into the header or footer. With this is meant
normal text that wraps around content in the right corner of the header or footer,
not
text that simply extends to the top or bottom of the page because there is no content
in
the header/footer. When there is content in either the left corner or the center,
flowing into the header/footer is not allowed.
SBS examples: Flowing of text into the footer. At least 4 cells before the braille
page
number must remain empty.
Celia examples: Flowing of test into the header.
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Text can flow in the header with the page number in the right corner.
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Text can flow in the header with page numbers in the top left
or top right
corner.
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4.5:84
When printing double-sided, there shall be support for hard page breaks that jump
to the
next right- or left-hand page.
MTM example: Jump to first right-hand page after title page.
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4.5:85
When printing double-sided, the system shall allow the page layout (page margins as
well
as header and footer layout) to differ between left- and right-hand pages.
It is assumed that the inner margins of a sheet are always equal on both sides, and
similarly the outer margins of a sheet are always equal.
MTM example: Even braille page numbers are on the left, odd braille page numbers on
the right.
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SBS examples: Footers only appear on right hand pages.
Celia examples:
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Braille page number switches corner between left- and right-hand pages. (1)
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Braille page number switches corner between left- and right-hand pages. (2)
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Braille page number can change corners but the print page number doesn't have to
follow.
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Nota examples: Footers appear on recto pages only1.
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4.5:86
Support for mixed braille and ink on the cover page, the main purpose being to help
sighted people in finding a specific volume of a specific title. This feature doesn't
require the text in ink to be exactly that of the original (so back-translation would
be
a possibility).
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4.5:87
Support for interlining braille and ink, or combining braille and ink on facing
pages. This feature requires synchronization between the source and the braille with
medium (for facing pages) to high (for interlining) precision.