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The Go to Line command opens the Go To Line dialog box:
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Enter a line number and click OK to position the cursor on that line in the active window.
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The View White Space command turns on visible markers for tab and space characters. Tabs are displayed as arrows, and spaces are displayed as centered dots:
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Selecting this command a second time turns visible markers off.
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The Toggle Bookmark command inserts a visible bookmark to the left of the current line:
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If the current line already has a bookmark, the Toggle Bookmark command removes the bookmark.
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