Adobe Acrobat 8 3D Manuel d'utilisateur télécharger pdf (Page 321)

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ADOBE ACROBAT 3D VERSION 8

User Guide

About watermarks and screen readers

Youcan addawatermarktoataggedPDFwithoutalsoaddingittothetagtree.Nothavingthewatermarkappearin

the tag tree is helpful for people who are using screen readers, because they won’t hear the watermark read as

document content.

The best way to add a watermark that doesn’t interfere with screen readers is to insert an untagged PDF of the

watermark into a tagged PDF.

See also

“Add and edit watermarks” on page 131

Editing document structure with the Content and Tags

tabs

Correct reflow problems with the Content tab

Use the Content tab to correct reflow problems in a PDF that can’t be corrected by using the TouchUp Reading Order

tool. Because you can damage a PDF by editing content objects, make sure that you’re familiar with PDF structure

before you make any changes. For comprehensive information about PDF structure, see the PDF Reference Fifth

Edition: Adobe Portable Document Format Version 1.6, on the PDF reference page (English only) of the Adobe

website.

TheContent tabprovidesahierarchicalviewoftheobjectsthatmakeupaPDF,includingthe PDFobjectitself.Each

document includes one or more pages, a set of annotations (such as comments and links), and the content objects

for the page, consisting of containers, text, paths, and images. Objects are listed in the order in which they appear on

thepage,similartotagsinthelogicalstructure tree.However,PDFsdon’trequiretagsforyoutovieworchangethe

object structure.

1 Choose View > Navigation Panels > Content.

2 Click the plus sign (+) (Windows) or the triangle (Mac OS) next to the document name to view pages and objects.

3 Move a container or object by selecting it and doing one of the following:

• Drag it to the location you want.

• Choose Cut from the Options menu, select the tag above the location you want to paste the cut tag, and choose

Paste from the Options menu.

Note: Container elements can’t be pasted directly to page elements. To move a container to another page, cut the

container you want to move, select a container on the page you want to move the container to, and choose Paste from

the Options menu. Then, drag the container out one level to the location that you want.

Content tab options

In the Content tab, use the Options menu or right-click/Control-click an object to choose from the following

options:

New Container Adds a new container object at the end of the selected page or container.

Edit Container Dictionary Specifies the dictionary for the container. Errors in this dialog box may damage the PDF.

Available only for containers that include dictionaries.

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Adobe Acrobat 8 3D Manuel d'utilisateur Page 321

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