I am using Komposer version 0.7.10 (20070831) on Windows Vista Home Premium. I have recently had problems with Komposer erasing all non valid code when I saved without notifying me, which has been very annoying, especially as I didn't notice it had erased at first and wondered why pages weren't working. But now Komposer has erased valid code in the head tags of my xhtml file when I have edited the code, or pasted tags from another file into the body of the current file and then saved. I was working on a file which used an external stylesheet referenced in the head tags and every time I have tried to copy and paste html code referencing the stylesheet into the body ( for instance <p class="text">Some text here</p> and then pressed Save it erased the code in the head tags from the page and so the stylesheet information disappeared. Fortunately I had templates for the page and didn't loose much information, but this is very disappointing as I may have to use another html editor, which does not have WYSWYG like Komposer. I hope you can solve this issue soon.