Am Dienstag, dem 06.01.2026 um 16:41 +0700 schrieb Andreas Hild: > The issue seems independent of table content (it occurs even with > minimal or empty tables) and whether cell or row background colouring > is used. Removing all ERT background colouring restores the vertical > borders. A minimal .lyx file demonstrating the behaviour is attached.
I don't see the behavior. Attached is a PDF (via pdflatex) generated
from your MWE.
> Is there a known workaround for this in LyX 2.4.x
Read the colortbl manual: The \rowcolor command has two optional
arguments to deal with such issues:
\rowcolor[⟨color model⟩]{⟨color⟩} [⟨left overhang⟩][⟨right overhang⟩]
> do newer LyX versions handle this case differently?
LyX 2.5 will feature native (GUI) support for coloring, but in the
background, similar LaTeX code is generated.
--
Jürgen
example-table.pdf
Description: Adobe PDF document
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