Variable: underline-line-scaling-flag

underline-line-scaling-flag is a variable defined in xdisp.c.

Value

nil

Documentation

Non-nil means scale the underline line with text scaling.

This can make underline more prominent with large scaling.

Probably introduced at or before Emacs version 32.1.

Source Code

// Defined in /usr/src/emacs/src/xdisp.c
  DEFVAR_BOOL ("underline-line-scaling-flag",
	       underline_line_scaling_flag,
     doc: /* Non-nil means scale the underline line with text scaling.
This can make underline more prominent with large scaling.  */);