Re: how to reduce \lineskiplimit in ConTeXt grid layout

[Hans Hagen <pragma@wxs.nl>]

On 11/15/2013 9:49 PM, Lars Huttar wrote:
> As you know, in plain TeX, \lineskiplimit tunes the vertical glue
> algorithm by specifying the minimum amount of space between the bottom
> edge of one line and the top edge of the following line.
>
> But in ConTeXt, it appears that \lineskiplimit is set to zero, at least
> in grid mode.
> We're using grid mode, and we have some occasional high ascenders, e.g.
> capital letters with diacritics on top.
> We have bodyfont size 8.1pt, and interlinespace = 9.3pt. We realize this
> is less than the recommended ratio of 1.2.
>
> Understandably, when those tall characters occur, we sometimes get a
> blank line above them. It looks like the \lineskiplimit would be
> violated if the 9.3pt interlinespace were enforced, so ConTeXt adds some
> space (analogous to \lineskip in TeX?). But since we're on a grid, more
> space has to be added in order to conform to the grid.
>
> All that makes sense, but we would like to be able typeset the lines
> closer together, and judge for ourselves whether it looks too bad. (When
> we used to typeset the same text at 8.1pt/9.3pt using mkii, blank lines
> did not occur.) Is there something similar to \lineskiplimit that we can
> tweak? I've been reading section 5.5 Line Spacing in the context ref
> manual, but I don't see anything there about changing a threshold
> analogous to \lineskiplimit.
>
> I tried setting \lineskiplimit=-2pt, but that caused a worse problem: a
> blank line across both columns, instead of just one.

you can try to choose a more strict grid snapping method (see 
spac-ver.mkiv line 1375 etc ... some methods have tolerance, some snap 
always ..)

Hans


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                                           Hans Hagen | PRAGMA ADE
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