GNU/Linux Desktop Survival Guide
by Graham Williams
The line thickness and line types. These affect the standard shapes rather than shapes from the sheets. The smallest line width is 0pt (hairline).
A variety of lines are supported. You can add arrows to the lines by clicking on the button at the bottom right (or bottom left for backwards pointing arrows) of the Dia control window. Figure 24.5 shows the button before and after selecting an arrow.
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