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9b0e3ebaef
* doc/lispref/display.texi: Document new face attribute. * lisp/cus-face.el (custom-face-attributes): Add wave-style underline attribute. * lisp/faces.el (set-face-attribute): Update docstring. * src/dispextern.h (face_underline_type): New enum. (face): Add field for underline type. * src/nsterm.m (ns_draw_underwave): New function. (ns_draw_text_decoration): Use it. * src/w32term.c (w32_restore_glyph_string_clip, w32_draw_underwave): New functions. (x_draw_glyph_string): Use them. * src/xfaces.c (Qline, Qwave): New Lisp objects. (check_lface_attrs, merge_face_ref) (Finternal_set_lisp_face_attribute, realize_x_face): Handle wave-style underline face attributes. * src/xterm.c (x_draw_underwave): New function. (x_draw_glyph_string): Use it. |
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