1. 2019-05-30 [4] [Sbcl-help] Setting a variable only if it is defined sbcl-help Gunter_König 2. 2019-05-23 [2] [Sbcl-help] utf-8 character encoding exclusions sbcl-help Douglas Katzm 3. 2019-05-07 [10] [Sbcl-help] Break doesn't show all variables sbcl-help Bergmann Manf 4. 2019-05-02 [2] [Sbcl-help] Supressing warnings sbcl-help Douglas Katzm