diff -Naur w3m-0.5.2.orig/form.c w3m-0.5.2/form.c
--- w3m-0.5.2.orig/form.c	2004-02-06 02:23:07.000000000 +0900
+++ w3m-0.5.2/form.c	2008-05-16 08:34:48.000000000 +0900
@@ -403,6 +403,7 @@
     line->lineBuf = buf;
     line->propBuf = prop;
     line->len = len;
+    line->size = len;
 
     return pos;
 }