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Select File > Settings.
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Select LaTeX in the left list.
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Modify code for the different headers.
–LaTeX Header
–Sweave/knitr Header: If the Sweave functionality from Xpose is used, enter the default LaTeX preamble in this field. The preamble specifies what “packages” are to be loaded prior to running the code, along with details about page layout, etc.
–Beamer Header
Note:Once modifications are made and you have saved them, restart Pirana for the changes to take effect.
