diff --git a/src/memline.c b/src/memline.c
index 5228155..a1c29cf 100644
--- a/src/memline.c
+++ b/src/memline.c
@@ -2682,6 +2682,13 @@
     return ml_get_buf_len(curbuf, lnum);
 }
 
+// return length (excluding the NUL) of the text after position "pos"
+    colnr_T
+ml_get_pos_len(pos_T *pos)
+{
+    return ml_get_buf_len(curbuf, curwin->w_cursor.lnum) - pos->col;
+}
+
 // return length (excluding the NUL) of the cursor line
     colnr_T
 ml_get_curline_len(void)
@@ -3661,7 +3668,7 @@
 
     curbuf->b_ml.ml_line_ptr = line;
     curbuf->b_ml.ml_line_len = len;
-    curbuf->b_ml.ml_line_textlen = len_arg + !has_props;
+    curbuf->b_ml.ml_line_textlen = !has_props ? len_arg + 1 : 0;
     curbuf->b_ml.ml_line_lnum = lnum;
     curbuf->b_ml.ml_flags = (curbuf->b_ml.ml_flags | ML_LINE_DIRTY) & ~ML_EMPTY;