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I'm using memoir with non-equal left and right margins and encounter a problem when I use the adjustwidth* environment to get three equally spaced columns with equal margins in the index. According to the memoir manual (bottom of p. 144 of latest version dated 2011/03/06), the changes do not get changed properly across page breaks. That is, if the right (outer) margin is shifted outward on an odd (recto) page, the same will be true on the next (even/verso) page. But this is not what I need.

Furthermore, I'm a little confused by the fact that the memoir manual states (p. 340) that changepage contains code identical to memoir, but the \changetext command provided by changepage is not available in memoir. At the moment, it appears to me that the \changetext command provided by changepage is what I need to use, but I'm wondering whether there's a way to do all this inside memoir without an additional package.

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    At the moment, as far as I know, this is not possible and would require additional packages. @MarcoDaniel provides a work-around in his answer to How to switch between two margin sizes? - it uses the mdframed package with a similarly-named environment. He also suggested writing it up as a separate/stand-alone package (perhaps called fullwidth) in chat recently. – Werner Nov 20 '11 at 16:21
  • I do not think the changepage additions have made it back into memoir (different maintainers). adjustwidth is implemented using a list and thus the adjustment goes wrong at a page break when there is uneven margins. – daleif Nov 21 '11 at 13:31
  • Thanks for the clarifications. At the moment, I just use \changetext as mentioned in my question. This does what I need it to do. – user1362373 Nov 25 '11 at 20:43
  • Perhaps the solution posted by Peter Wilson in comp.text.tex can be adapted to your problem. – jon Dec 02 '11 at 16:48
  • Er, I don't think memoir supports three-column indexes, anyway. – Brent.Longborough Aug 12 '12 at 18:05
  • @jon I know it's pretty old but do you think it is possible to write an answer using Peter Wilson's remark in c.t.t.? – percusse Oct 04 '12 at 15:49

1 Answers1

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First you have to consider the effect of changing the margins mid-document. Is it necessary to initiate such a change in the layout mid-document?

At the moment, as far as I know, this is not possible and would require additional packages. Marco Daniel provides a work-around in his answer to How to switch between two margin sizes? - it uses the mdframed package with a similarly-named environment. His fullwidth package might also be of interest here.

Alternatively, Boris' adjmulticol package knows about two-side margins and could potentially provide a solution to your problem. From the adjmulticol documentation:

One of the common requests from the book designers is the possibility to change the margins of the text in the middle of the page. The standard LaTeX list environment does exactly this. Thus it is not surprising that many packages creatively use this tool to change the layout. An example is the changepage package. Unfortunately this approach has a serious drawback: a list sets the margins globally. If the material is split between the pages, the margins on the first page are repeated on all the subsequent pages. While this is fine for one-side printing, it leads to a catastrophe for the two-sided one, [...]

To remedy this problem, we need a completely different approach: we need to change the output routine. This is done in this package.

Since the text with the special layout is often typeset in the multicolumn mode, we load the multicol package and patch it to provide two changes:

  1. Margins changes, persistent over the pages.
  2. The possibility of an one-column "\multicolumn" layout. Of course, this layout does not make sense in the context of the original multicol package, but is useful when the margins are changed.
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