The initial values for line numbers separator line in editor-pane.
capi
0.5, :gray80 and nil.
The variables *editor-pane-default-line-numbers-separator-thickness*, *editor-pane-default-line-numbers-separator-color* and *editor-pane-default-line-numbers-separator-dash* specify the initial values for how to draw the separator line between the line numbers and the text in an editor-pane.
See editor-pane-set-line-numbers-appearance for details.
CAPI User Guide and Reference Manual (Windows version) - 18 Feb 2025 15:35:34