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##Block shapes
##block shape oval trapezoid box text
##Using the 'shape' keyword followed by a shape name one can add non-rectangular blocks (which use the 'box' keyword). As a shorthand, you can just type an asterisk and the shape name.##Shapes can be defined by the 'defshape' command, some default shapes are part of the default design library.##The 'text' keyword defines a block without line and fill, just text.##When using two or more blocks for the alignment attriutes (like 'middle=a+b' in this example, the bounding box of the listed blocks is used.
boxcol Cont: Container
[line.corner=round] {
box a: box;
*oval b: oval;
shape trapezoid tr: trapezoid;
}
text t: \-a strange\nshape [middle=a+b];
t->tr;
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