The default Cairo line width is much thinner than the default PSPP line
width, and made the boxes look too pale and ephemeral. This fixes it.
cairo_scale (x->cairo, 1.0 / PANGO_SCALE, 1.0 / PANGO_SCALE);
cairo_translate (x->cairo, x->left_margin, x->top_margin);
cairo_scale (x->cairo, 1.0 / PANGO_SCALE, 1.0 / PANGO_SCALE);
cairo_translate (x->cairo, x->left_margin, x->top_margin);
+ cairo_set_line_width (x->cairo, x->line_width);
for (i = 0; i < OUTP_FONT_CNT; i++)
if (!load_font (this, &x->fonts[i]))
for (i = 0; i < OUTP_FONT_CNT; i++)
if (!load_font (this, &x->fonts[i]))