Line numbering in two column layout conflicts with marking

* Line numbering in two column layout conflicts with marking
@ 2019-12-02 19:06 Oliver von Criegern
  2019-12-09 14:18 ` Oliver von Criegern
  0 siblings, 1 reply; 6+ messages in thread
From: Oliver von Criegern @ 2019-12-02 19:06 UTC (permalink / raw)
  To: mailing list for ConTeXt users

Dear list members,

line numbering in a two column layout apparently conflicts with the 
marking mechanism.

Consider the following example:

\setupcolumns[n=2]

\setuplinenumbering
     [
     step=5,
     method=page,
     align=flushright,
     ]

\definemarking[Test]

\setupheadertexts[{\fetchmark[Test][top] -- \fetchmark[Test][bottom]}]

\startbuffer
\dorecurse{12}{words }
\stopbuffer

\starttext
\startcolumns
\startlinenumbering
\marking[Test]{ONE}ONE \dorecurse{12}{\getbuffer}\par
\marking[Test]{TWO}TWO \dorecurse{29}{\getbuffer}\par
\marking[Test]{THREE}THREE \dorecurse{12}{\getbuffer}\par
\stoplinenumbering
\stopcolumns
\stoptext

In the result, the header of the first page reads "ONE -- THREE", 
despite marking "THREE" being placed in the third line of the second page.

Without linenumbering, the header of the first page reads "ONE -- TWO", 
as is to be expected.

Best regards,
Oliver

-- 
Dr. Oliver von Criegern
Referat für IT und Digital Humanities
Bayerische Akademie der Wissenschaften
Alfons-Goppel-Str. 11
80539 München
Tel.: 089-23031-1310

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