Variable: tab-bar-button-margin

tab-bar-button-margin is a variable defined in xdisp.c.

Value

1

Documentation

Margin around tab-bar buttons in pixels.

If an integer, use that for both horizontal and vertical margins. Otherwise, value should be a pair of integers (HORZ . VERT) with HORZ specifying the horizontal margin, and VERT specifying the vertical margin.

Source Code

// Defined in /usr/src/emacs/src/xdisp.c
  DEFVAR_LISP ("tab-bar-button-margin", Vtab_bar_button_margin,
    doc: /* Margin around tab-bar buttons in pixels.
If an integer, use that for both horizontal and vertical margins.
Otherwise, value should be a pair of integers `(HORZ . VERT)' with
HORZ specifying the horizontal margin, and VERT specifying the
vertical margin.  */);