+.SS Line Graphics
+Like \fBaddch\fP(3X),
+\fBaddch_wch\fP accepts symbols which make it simple to draw lines and other
+frequently used special characters.
+These symbols correspond to the same VT100 line-drawing set as
+\fBaddch\fP(3X).
+.PP
+.TS
+l l l l
+_ _ _ _
+lw(1.5i) lw7 lw7 lw20.
+\fIName\fR \fIUnicode\fP \fIDefault\fR \fIDescription\fR
+WACS_BLOCK 0x25ae # solid square block
+WACS_BOARD 0x2592 # board of squares
+WACS_BTEE 0x2534 + bottom tee
+WACS_BULLET 0x00b7 o bullet
+WACS_CKBOARD 0x2592 : checker board (stipple)
+WACS_DARROW 0x2193 v arrow pointing down
+WACS_DEGREE 0x00b0 ' degree symbol
+WACS_DIAMOND 0x25c6 + diamond
+WACS_GEQUAL 0x2265 > greater-than-or-equal-to
+WACS_HLINE 0x2500 \- horizontal line
+WACS_LANTERN 0x2603 # lantern symbol
+WACS_LARROW 0x2190 < arrow pointing left
+WACS_LEQUAL 0x2264 < less-than-or-equal-to
+WACS_LLCORNER 0x2514 + lower left-hand corner
+WACS_LRCORNER 0x2518 + lower right-hand corner
+WACS_LTEE 0x2524 + left tee
+WACS_NEQUAL 0x2260 ! not-equal
+WACS_PI 0x03c0 * greek pi
+WACS_PLMINUS 0x00b1 # plus/minus
+WACS_PLUS 0x253c + plus
+WACS_RARROW 0x2192 > arrow pointing right
+WACS_RTEE 0x251c + right tee
+WACS_S1 0x23ba \- scan line 1
+WACS_S3 0x23bb \- scan line 3
+WACS_S7 0x23bc \- scan line 7
+WACS_S9 0x23bd \&_ scan line 9
+WACS_STERLING 0x00a3 f pound-sterling symbol
+WACS_TTEE 0x252c + top tee
+WACS_UARROW 0x2191 ^ arrow pointing up
+WACS_ULCORNER 0x250c + upper left-hand corner
+WACS_URCORNER 0x2510 + upper right-hand corner
+WACS_VLINE 0x2502 | vertical line
+.TE
+.PP
+The wide-character configuration of ncurses also defines symbols
+for thick- and double-lines:
+.PP
+.TS
+l l l l
+_ _ _ _
+lw(1.5i) lw7 lw7 lw20.
+\fIName\fR \fIUnicode\fP \fIDefault\fR \fIDescription\fR
+WACS_T_ULCORNER 0x250f + thick upper left corner
+WACS_T_LLCORNER 0x2517 + thick lower left corner
+WACS_T_URCORNER 0x2513 + thick upper right corner
+WACS_T_LRCORNER 0x251b + thick lower right corner
+WACS_T_LTEE 0x252b + thick tee pointing right
+WACS_T_RTEE 0x2523 + thick tee pointing left
+WACS_T_BTEE 0x253b + thick tee pointing up
+WACS_T_TTEE 0x2533 + thick tee pointing down
+WACS_T_HLINE 0x2501 - thick horizontal line
+WACS_T_VLINE 0x2503 | thick vertical line
+WACS_T_PLUS 0x254b + thick large plus or crossover
+WACS_D_ULCORNER 0x2554 + double upper left corner
+WACS_D_LLCORNER 0x255a + double lower left corner
+WACS_D_URCORNER 0x2557 + double upper right corner
+WACS_D_LRCORNER 0x255d + double lower right corner
+WACS_D_RTEE 0x2563 + double tee pointing left
+WACS_D_LTEE 0x2560 + double tee pointing right
+WACS_D_BTEE 0x2569 + double tee pointing up
+WACS_D_TTEE 0x2566 + double tee pointing down
+WACS_D_HLINE 0x2550 - double horizontal line
+WACS_D_VLINE 0x2551 | double vertical line
+WACS_D_PLUS 0x256c + double large plus or crossover
+.TE
+.SH RETURN VALUE