On second thought, don't try to emulat XTerm TAB wrap behaviour... this

is deeply impacted by the vt glitch, and I'm not dealing with that.

src/conio/cterm.c

@@ -4233,8 +4233,15 @@ ctputs(struct cterminal *cterm, char *buf)
 						break;
 					}
 				}
-				if(cx > TERM_MAXX)
-					cx = TERM_MAXX;
+				if(cx > TERM_MAXX || i == cterm->tab_count) {
+					cx = TERM_MINX;
+					if (cy >= TERM_MAXY) {
+						scrollup(cterm);
+						cy = TERM_MAXY;
+					}
+					else
+						cy++;
+				}
 				GOTOXY(cx,cy);
 				break;
 			default:

src/conio/cterm.txt

@@ -39,8 +39,11 @@ Control characters:
 
 0x09 - HT:
 	Moves to the next horizontal tab stop.  Does not overwrite
-	any characters in between.  If the starting position is
-	last column, cursor does not move.
+	any characters in between.  If there are no tab stops left
+	in the line, moves to the first position of the next line.
+	If the starting position is on the last line, will perform
+	a scroll, filling the new line at bottom with the current
+	attribute.
 
 0x0A - LF:
 	Move cursor position to same column of the next row.