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Re: [Groff] trap problem

From: Clarke Echols
Subject: Re: [Groff] trap problem
Date: Thu, 05 Apr 2007 09:09:24 -0600
User-agent: Thunderbird (Windows/20070221)

Another possibility:

.wh 0  \" When at top of page
if-else % is odd or even
.po    \" set page offset to desired setting.

The macros probably already have a .wh 0 trap, so you may need to
work around that problem.  That's why I prefer hacking the actual
top-of-page macro.


address@hidden wrote:
Thanks to Raph and Ted for their help in my last question. Now I have another one. I need different left and right margins on odd- and even-numbered pages using the ms macros. This is dealt with PO and LL number registers, but I somehow need to alter them according to whether a page is odd- or even-numbered. I suppose I need to write a trap to do this. Are there any implementations of this already available somewhere? I am currently looking at macros used in production of the UTP book. Thanks.

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