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Re: pic doesn't center when i use a macro

From: Marc Chantreux
Subject: Re: pic doesn't center when i use a macro
Date: Tue, 2 Nov 2021 21:24:19 +0100

hello Douglas,

> Remember that macros work by substitution. So each line of label_for
> becomes a separate line in the macro-expanded program. A label alone
> on a line gets plotted at the current point, which in this case is
> last box.e.

That, with the explainations from Tadziu, helped a lot. Thank you!

> BTW, what are the empty strings ("") for? Formally, they make a
> three-line label, too high for the dashed box.

hmmm ... i expected it to help me to center but now you ask: i really
don't know why i did this that way :/

> the backslash-newline to keep gmail from breaking the line at an

i started to use it too.

Again : thank you

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