I see. I use prevgraf to get number of lines in most recent paragraph to compute eventually hangindent if there is a lettrine in paragraph (in case first paragraph has fewer lines than the lettrine itself, of course next paragraph needs to setup hangindent properly).


I guess as an alternative, I could use the callback after paragraph is split in N lines to count the number of lines, or is this number can be accessed via some other existing variable in tex lua « table » ? Currently I access prevgraf value Inside lua. Probably better than making things more complicated in luatex itself.


Thanks a lot,




De : Hans Hagen
Envoyé le :lundi 5 mars 2018 08:58
À : ntg-context@ntg.nl
Objet :Re: [NTG-context] prevgraf change if page break occurs in a paragraph


On 3/4/2018 10:59 PM, Joseph Canedo wrote:


> I am aware that ConTeXt betas might use experimental luaTeX changes (I

> use both stable and latest and run both), just wanted to report a change


not really, as we don't ship beta luatex's so context normally either

has adaptive code or delays usage for a year


> in prevgraf result. Apparently with latest beta it reports the number of

> lines in last page of paragraph (only tested with pars on 2 pages

> maximum, haven’t tried longer ones). Simple MWE reproduces the case:


> \starttext


> \dorecurse{15}{


> A\\ B\\ C\\ D\\ E\\ F\\ G\\ H\\ I\\ J\\ K\\ L \\M\\ N.


> \the\prevgraf


> }


> \stoptext


> Using ConTeXt online always reports « 14 » after the letters, latest

> ConTeXt reports different numbers if the par before it has been split in

> 2 pages.

well, i could store the old prevgraf (of make that an option) but it's a

fact that a top of page is basically a change (in prevgraf and prevdepth)


what do you use prevgraf for?





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