The xterm update in DSA-1694-1 disabled font changing as a precaution. However, users reported that they need this feature. The update in this DSA makes font shifting through escape sequences configurable, using a new allowFontOps X resource, and unconditionally enables font changing through keyboard sequences. For the stable distribution , this problem has been fixed in version 222-1etch4. For the testing distribution , this problem has been fixed in version 235-2. For the unstable distribution , this problem has been fixed in version 238-2. We recommend that you upgrade your xterm package.