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Similarly, when you edit existing text in a PDF and the font is not available on the system, by default the font fall-backs to a specific font in a particular script
Actual Size displays the page at 100% magnificationFit Width adjusts the magnification so that the PDF fills the document pane horizontally
Zoom To Page Level adjusts the magnification so that one page fills the document pane verticallyThe Pan & Zoom tool adjusts the magnification and position of the view area to match the area in an adjustable rectangle in the Pan & Zoom window’s thumbnail view of the pageThe Loupe Tool window displays a magnified portion of the PDF that matches the area in an adjustable rectangle on the document pane
Resize a page to fit the window To resize the page to fit entirely in the document pane, choose View > Zoom > Zoom To Fit PageTo resize the page to fit the width of the window, choose View > Zoom > Fit Width
Part of the page may be out of view
To resize the page to fit the height of the window, choose View > Zoom > Fit HeightThe pages are renumbered
To cut or copy a page, right-click and choose Cut or CopyClick between the page thumbnails where you want to paste the page
A blue horizontal marker shows the selected location where you want to pasteRight-click and choose Paste
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Source:epub to pdf