How best to handle the situation when some urgent work comes while typing a content on ISC?

Sometimes, it happens that while typing a content on ISC, suddenly some urgent work comes in between which requires to leave the typing work to attend the situation. In case of articles etc. it is possible to save the content and leave the computer. However while being in the middle of typing a thread or a response in forum section, it is not possible to save. The available options remain either to leave the typing in the middle and complete the same after returning back or copy/paste the content on a word document and log out.
Let us share our experiences as to how generally we cope up with such scenarios.