Template talk:T chart

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This template makes a T-chart with up to 6 rows (besides the header). The first row is mandatory, as is the left column of each row that's present.

{{T chart

|left_heading=Fruit
|right_heading=Vegetables
|L1=Banana
|R1=Squash
|L2=Apple
|R2=Radish
|L3=Orange
|R3=Carrot
|L4=Grape
|R4=Eggplant
|L5=Lime
|R5=Zucchini
|L6=Blackberry
|R6=Olive
}}

Fruit Vegetables
Banana Squash
Apple Radish
Orange Carrot
Grape Eggplant
Lime Zucchini
Blackberry Olive

Some of the coding for the template gets funky because you can't mix parser functions like {{#if:}} with vertical bars needed to separate table elements. So anywhere we have {{!}} is a place where we cannot have a vertical bar (but need one).

Might be able to make a row show up if either Ln or Rn are present by doing something like this:

{{#ifexpr: {{#len:{{{L2}}}}}|{{#len:{{{R2}}}}}|code for including the row|}}