I'm trying to test whether an element in a defined list (array) is "empty." I tried using the \empty macro, or putting white spaces inside the quote, but nothing seems to work. I'm testing the ...
I'm doing calendars for all the family, and I have a problem automating the process. I'm using the calendar tikz library. I need to include the moon phase in the calendar. I can do it with this code ...
I am trying to wrap my head around etoolbox for use with TikZ. In this example (I know there are probably simpler ways to do this), I would like to draw a series of rectangles that are next to each ...