Does Reading Order Matter for Accessible Pdf?

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The Reading Order tool provides the easiest and quickest way to set reading order and basic tagging bug. When you select the tool, a dialog box opens that lets you see overlay highlights that show the order of page content. Each highlighted region is numbered and highlighted with gray or colored blocks; the number indicates the region'due south placement in the page's reading order. Afterward you cheque the reading order of the page, you lot tin right other, more subtle tagging issues as needed.

The Reading Guild tool is intended for repairing PDFs that were tagged using Acrobat, not for repairing PDFs that were tagged during conversion from an authoring application. Whenever possible, return to the source file and add together accessibility features in the authoring awarding. Repairing the original file ensures that yous don't take to repeatedly touch upwardly time to come iterations of the PDF in Acrobat.

You lot tin use the Reading Social club tool to perform the following accessibility tasks:

• Visually check, and so repair, the reading order of page content

• Tag fillable form fields and their labels

• Add alternate text to figures and descriptions to form fields

• Ready the tagging of unproblematic tables, and gear up complex tables for more advanced manipulation in the logical structure tree

• Remove nonessential content, such as ornamental folio borders, from the logical construction tree

To perform avant-garde reading order and tagging tasks, such equally fixing complex tables, removing obsolete tags, and adding alternating text to links, utilize the Tags console. For more information, see Edit tags with the Tags console.

• Save the document (or a copy of it) earlier you use the Reading Order tool as undo-redo is not supported for all operations. For more information, meet Undo or redo the tag changes washed using the Reading Order tool.
• Choose View > Page Display > Single Page View , when using the Reading Lodge tool. When you click the Clear Page Construction push, Acrobat clears tags from all visible pages, even pages that are only partially visible.

• Choose Tools > Accessibility, and then choose Reading Society  in the right pane. The Reading Order tool'south dialog box is displayed.

Reading Guild options

You can select Reading Order options from the dialog box, from the pop-up menu that appears when you lot correct-click a highlighted region, or from the options menu in the Club console. The Reading Guild tool includes the following options:

Text/Paragraph

Tags the selection equally text.

Effigy

Tags the pick as a effigy. Text contained within a figure tag is divers as part of the image and screen readers don't read information technology.

Form Field

Tags the choice every bit a form field.

Effigy/Caption

Tags a selected effigy and explanation equally a single tag. Whatsoever text contained in the tag is defined as a caption. Useful for tagging photos and captions and preventing caption text from being incorrectly added to next text blocks. Figures may require alternate text.

Heading 1, Heading 2, Heading 3, Heading 4, Heading v, Heading vi

Tags the choice every bit a start, second, third, 4th, fifth, or 6th level heading tag. You tin convert heading tags to bookmarks to aid users navigate the certificate.

Table

Tags the choice every bit a tabular array after the selection is analyzed to determine the location of headings, columns, and rows.

Cell

Tags the selection as a table or header cell. Employ this pick to merge cells that are incorrectly dissever.

Formula

Tags the selection as a formula. Because speech software may handle formula tags differently from normal text, you may desire to add together a clarification using alternate text.

Annotation

Tags the selection every bit a note.

Reference

Tags the selection as a reference.

Background/Artifact

Tags the selection as a background element, or artifact, removing the item from the tag tree. That way, information technology doesn't appear in the reflowed document and screen readers don't read information technology.

Table Editor

Automatically analyzes the selected tabular array into cells and applies the appropriate tags. The tabular array must be tagged every bit a table before you can use the Table Editor command on it.

Show Folio Content Groups

Shows content elements as highlighted areas that contain numbers to indicate the reading order. Specify the highlight color by clicking the colour swatch.

Testify Table Cells

Highlights the content of individual tabular array cells. Specify the highlight color past clicking the colour swatch.

Display Like Elements In A Single Block

Adjacent squares with the same tag type are collapsed into a single, bigger square with the mutual tag type that encompasses the original foursquare.

Show Tables And Figures

Outlines each tabular array and effigy with a crossed-out box. The box also indicates whether the chemical element includes alternating text. Specify the box color by clicking the color swatch.

Clear Page Structure

Removes the tagging structure from the page. Utilise this option to showtime over and create a new structure if the existing structure contains as well many issues.

Show Order Console

Opens the Order tab for reordering highlighted content.

Edit Alternate Text

Available in the menu that appears when you right-click a highlighted figure. Allows the user to add or edit a text description about the figure properties that a screen reader or other assistive engineering reads.

Edit Form Field Text

Available in the card that appears when you right-click a form field. Allows the user to add or edit a form field text clarification that a screen reader or other assistive technology reads.

Edit Table Summary

Available in the menu that appears when yous right-click a highlighted tabular array. Allows the user to add or edit a text description virtually the table properties that a screen reader or other assistive technology reads.

Check and right reading lodge (Acrobat Pro)

You lot can rapidly check the reading society of tagged PDFs by using the Reading Order tool. You can also use this tool to add together alternate text to images and correct many types of tagging bug that are outlined in the written report that Acrobat generates when you add together tags to a PDF.

Reading-order issues are readily apparent when you use the Reading Club tool. Each department of contiguous page content appears equally a separate highlighted region and is numbered according to its placement in the reading order. Within each region, text is ordered left to correct and top to bottom. (You can alter this society in the Bear on Upward preferences.) If a single highlighted region contains ii columns of text or text that won't flow ordinarily, dissever the region into parts that can exist reordered. Because highlighted regions are rectangular, they may overlap somewhat, especially if their page content is irregularly shaped. Unless page content overlaps or is contained within ii highlighted regions, no reading order problem is indicated. Page content should vest to no more than one highlighted region.

Yous can change the reading guild of the highlighted regions past moving an item in the Club panel or by dragging it on the page in the certificate pane. By reordering highlighted regions on the page, you can make a effigy and caption read at the specific point that they are referenced in the text. By changing the club of a highlighted region, you effectively alter the reading order of that item without changing the actual appearance of the PDF.

Select the Reading Gild tool in the right pane.

In the Reading Order dialog box, select Show Page Content Groups, and then click Page Content Order.

If highlighted regions don't appear in the document pane, the document doesn't contain tags.

Optionally, exercise any of the post-obit:

• To specify a highlight color, click the color swatch, and then click the color you desire.

• To highlight tables and figures, and to view alternate text for figures, select Prove Tables And Figures.

Bank check the reading guild of text within each highlighted region.

Zooming in can brand this step easier.

Check the numbered club of all highlighted regions. If sequent, numbered regions don't follow one some other, reorder them in the Order panel.

Click Evidence Order Panel, and so select each content entry (in brackets [ ]) in the Guild console to highlight that content region in the certificate pane. Use this method to find numbered regions that you can't encounter or locate on the page.

Change the reading order in the Gild console

Select the Reading Order tool in the right pane.

In the Reading Guild dialog box, click Show Order Panel.

In the Order console, navigate to view a list of highlighted regions that appear in the document pane.

In the Order panel, elevate the tag for a highlighted region to the location y'all desire. As you lot drag, a line appears to show potential locations. After you lot drag an item to a new location, the highlighted regions are renumbered to show the new reading social club. Yous can select and motion multiple, adjacent regions.

Change the reading gild past dragging on the page

Select the Reading Social club tool.

In the Reading Order dialog box, select Testify Page Content Groups, and so click Folio Content Lodge.

In the document pane, place the arrow over the number for the highlighted region you desire to move. Thenh, drag it to where you lot want information technology to be read. The text-insertion pointer shows target locations inside the text.

When y'all release the highlighted region, the location of the text-insertion pointer becomes the dividing line. The underlying highlighted region is divide into two new highlighted regions. All highlighted regions are renumbered to show the new reading order.

You can use the Reading Order tool to create tags in untagged PDFs or to add together new tags to an existing structure. However, this transmission tagging doesn't provide the same level of item to the tagging structure as the Add Tags To Certificate command, such every bit paragraphs, bulleted and numbered lists, line breaks, and hyphens. Before y'all articulate the existing construction, make sure that manual tagging is your but recourse.

Using the Reading Order tool, drag inside the document pane to select a region of the page that contains ane type of content (for instance, a text block).

• To add together more than page content to the electric current choice, Shift-drag.

• To remove folio content from the current selection, Ctrl-drag.

Click the advisable button in the Reading Gild dialog box to specify the tag blazon.

Modify the tag for a region

If Acrobat tags a folio element incorrectly, you tin change the tag type for the highlighted region.

Select the Reading Society tool in the correct pane.

In the Reading Gild dialog box, select Show Page Content Groups, and then click Page Content Lodge.

To select a highlighted region, do ane of the following:

• Drag to select information technology.

• Click the number of a highlighted region.

Click the button for the tag type that you want for the highlighted region.

Undo or redo the tag changes done using the Reading Social club tool

The undo or redo the reading lodge changes is supported for all tags except the post-obit:

• Tabular array, Table Editor, and related tags.
• Tag creation and tag changes washed using Drag and Select in the Reading Order tool.

In Acrobat, to undo the reading order changes, click Edit > Undo Edit. To redo the changes, click Edit > Redo Edit.

Add or remove content from a tagged region

The Reading Order tool always displays as few highlighted regions as possible. If content within a highlighted region doesn't flow properly, you may demand to divide a region to reorder it. Highlighted regions may as well comprise adjacent folio content that is unrelated or that requires a different tag blazon. Page content may go orphaned from related elements, particularly if the content doesn't fit within a rectangular shape. Employ the Reading Order tool to add or remove content from a region, or to split a region to reorder the content.

Select the Reading Order tool.

In the Reading Lodge dialog box, select Testify Folio Content Groups, and then click Folio Content Lodge.

In the document pane, select a highlighted region.

• To add content to the current choice, Shift-click the content you lot want to add. The pointer changes to include a plus sign (+).

• To remove content from the current pick, Ctrl-click the content you lot want to remove. The arrow changes to include a minus sign (-).

Click the button for the tag type that y'all want for the highlighted region.

Carve up a region into two regions

Select theReading Order tool.

In the Reading Order dialog box, select Show Page Content Groups, then click Page Content Order.

In the document pane, drag to select a small-scale portion of content near the boundary of the first region that you desire to create.

Click the Background/Antiquity button in the dialog box. The highlighted region splits into two regions, numbered from correct to left.

To correct the reading order, click Show Social club Panel, and elevate the new highlighted region to the correct location in the Order panel.

Elevate to select the first content region you created, including the Groundwork/Artifact. So set the tag past clicking a push button in the Reading Club dialog box.

Use a heading tag

To help readers navigate a document and find the information they need, make sure that headings are tagged with the appropriate level to indicate their hierarchy in the content.

Select the Reading Order tool, and and so select the heading text in the PDF.

In the Reading Gild dialog box, click the button corresponding to the appropriate heading tag (for case, Heading 1, Heading 2).

Afterward applying heading tags, y'all can convert the headings to bookmarks to improve navigation. For more information, run into Add tagged bookmarks.

Remove folio elements from the tag structure

When tagging a PDF, Acrobat can't always distinguish between instructive figures and decorative folio elements. Items that visually heighten page layout, such equally decorative borders, lines, or background elements, tin can add clutter to the structure layout and should be removed. Therefore, Acrobat may incorrectly tag artifacts or page elements as effigy tags. You can remove artifacts and irrelevant page elements from the tag structure by redefining them with the Background/Artifact tag or past deleting their tags. If a tagged image in the certificate doesn't incorporate useful or illustrative information for the user, you lot can remove the element from the tagging structure and so that it isn't read out loud or reflowed.

Select the Reading Order tool.

In the Reading Lodge dialog box, select Show Folio Content Groups, and click Page Content Order. Then, select Show Tables And Figures.

Remove the page element by doing one of the following:

• In the certificate pane, select the page element, and so click Background/Antiquity in the dialog box.

• In the Lodge panel, select the folio element, and then printing Delete.

You lot tin can use the Reading Order tool to add and edit tags and alternate text for figures and tables.

Apply a figure tag

You can select an element and define it as a figure by using the Reading Order tool. Once you ascertain it every bit a figure, you can add alternate text to depict the figure.

Using the Reading Order tool, select the figure.

In the Reading Social club dialog box, click Effigy.

In the certificate pane, right-click the region and choose Edit Alternate Text.

Enter alternate text, and click OK.

Y'all can use the Reading Society tool to identify and correct tagging results for figures. Determine whether figures include or require alternating text necessary to be read correctly with assistive technologies. Ideally, effigy tags should identify epitome content that is meaningful to the document as a whole, such every bit graphs or illustrative photographs. If groundwork/artifact elements that shouldn't be read are tagged equally figures, redefine them every bit background/artifact.

Select the Reading Order tool, and and then clickShow Tables And Figures in the dialog box.

Do any of the following:

• If a effigy isn't tagged as a figure, select the content region you want, and so click Figure or Figure/Caption in the dialog box.

• To remove text that was incorrectly combined with a effigy, drag to select the text, and click the Text/Paragraph button in the dialog box.

• To include a caption that is grouped with the figure, select the figure and explanation, and click the Effigy/Explanation push in the dialog box.

Check and add alternate text for figures

If you want screen readers to describe graphical elements that illustrate important concepts in a document, you must provide the description using alternate text. Figures aren't recognized or read past a screen reader unless you lot add alternate text to the tag properties. If you employ alternate text to text elements, but the description, not the bodily text, is read.

Select the Reading Order tool.

Select Show Tables And Figures in the dialog box.

Right-click the figure, and cull Edit Alternating Text from the pop-upwardly menu.

In the Edit Alternating Text dialog box, type a new (or edit an existing) description for the figure, and and then click OK.

Tables pose a special claiming for screen readers because they present textual or numerical information to be hands referenced visually. Content within table cells tin can be complex and might incorporate lists, paragraphs, form fields, or another table.

For all-time results when tagging tables, apply the application that y'all created the document with to add together tags when you create the PDF. If a PDF isn't tagged, you tin add together tags by using the Add Tags To Document command. Most tables are properly recognized using this control; however, the control may not recognize a table that lacks articulate borders, headings, columns, and rows. Use theReading Social club tool to determine if the table has been properly recognized and to correct recognition problems. To add together specialized formatting to tables and table cells, use the Tags panel.

Yous can utilize the Table Editor to automatically analyze a tabular array into its components and apply the appropriate tags, but you lot may all the same need to check and correct some of these tags manually. By viewing table tags, you lot can determine whether columns, rows, and cells have been correctly identified. Tables that lack well-defined borders and rules are often tagged incorrectly or incorporate adjacent folio elements. Yous can right poorly tagged tables by selecting and redefining them; you can split combined cells past creating a tag for each prison cell.

To correct circuitous tagging problems for tables, you often must apply the Tags console.

Select the Reading Order tool, and and so click Evidence Tables And Figures.

If the table isn't clearly labeled in the document pane, drag to select the entire table, and then click Table in the dialog box.

Click Testify Table Cells to make sure that all cells in the table are defined as individual elements.

If cells don't announced as separate elements, do ane of the post-obit:

• If one or more cells are merged, utilise the Reading Social club tool to select the surface area within a single cell, then click Cell in the dialog box. Repeat for each merged jail cell.

• If cells aren't highlighted, the tabular array might not use standard table formatting. Re-create the table in the authoring application.

If the table contains cells that are intended to span beyond 2 or more columns, set ColSpan and RowSpan attributes for these rows in the tag structure.

If adding tags to a PDF in Adobe Acrobat results in a tagging construction that is overly complicated or also problematic to fix, you can use the Reading Order tool to remove or replace the current construction. If the document contains generally text, yous tin select a page and then remove headings, tables, and other elements to create a cleaner, simpler tagging structure.

Acrobat can retag an already tagged document after you first remove all existing tags from the tree.

Open the Tags console (View > Bear witness/Hide > Navigation Panels > Tags) and select the root (topmost) tag, Tags.

In the Tags panel, select Delete Tag from the options carte.

Supplant the existing tag structure

This process works best in pages that contain a single column of text. If the page contains multiple columns, each column must be selected and tagged individually.

In the document pane, drag to select the entire page. The choice includes both text and nontext elements.

Ctrl-drag around nontext page elements, such as figures and captions, to deselect them until merely text is selected on the page. Click Text/Paragraph in the Reading Society dialog box.

In the certificate pane, select a nontext page chemical element, such as a figure and caption, and click the advisable button in the dialog box to tag it. Repeat until all page content is tagged.

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