tut24.lisp

Backtrace:
 0: (SB-INT:%PROGRAM-ERROR "~@<invalid keyword argument~P: ~{~S~^, ~} (valid keys are ~{~S~^, ~}).~@:>" 1 (:HIDDEN) (:CONTENT :CLASS :HTML-ID :AUTO-PLACE))
 1: (SB-PCL::CHECK-APPLICABLE-KEYWORDS 0 (:CONTENT :CLASS :HTML-ID :AUTO-PLACE) 69970327221172 8)
 2: ((SB-PCL::EMF CLOG:CREATE-BUTTON) #<unused argument> #<unused argument> #<CLOG-WEB:CLOG-WEB-SIDEBAR {10081072E3}> :CONTENT "Close &times;" :HIDDEN T :CLASS "w3-teal" :HTML-ID NIL)
      Locals:
        SB-PCL::.ARG0. = #<CLOG-WEB:CLOG-WEB-SIDEBAR {10081072E3}>
        SB-DEBUG::MORE = (:CONTENT "Close &times;" :HIDDEN T :CLASS "w3-teal" :HTML-ID NIL)
 3: ((:METHOD CLOG-WEB:CREATE-WEB-SIDEBAR-ITEM (CLOG:CLOG-OBJ)) #<CLOG-WEB:CLOG-WEB-SIDEBAR {10081072E3}> :CONTENT "Close &times;" :HIDDEN NIL :CLASS "w3-teal" :HTML-ID NIL) [fast-method]
      Locals:
        CLASS = "w3-teal"
        CLOG-WEB::CONTENT = "Close &times;"
        CLOG-WEB::HIDDEN = NIL
        CLOG:HTML-ID = NIL
        CLOG:OBJ = #<CLOG-WEB:CLOG-WEB-SIDEBAR {10081072E3}>
 4: (CLOG-USER::ON-NEW-WINDOW #<CLOG:CLOG-BODY {1007FB7EF3}>)
      Locals:
        BODY = #<CLOG:CLOG-BODY {1007FB7EF3}>
        MAIN = #<CLOG-WEB:CLOG-WEB-MAIN {100810F273}>
        SIDE = #<CLOG-WEB:CLOG-WEB-SIDEBAR {10081072E3}>
 5: ((LAMBDA NIL :IN BORDEAUX-THREADS::BINDING-DEFAULT-SPECIALS))
 6: ((FLET SB-UNIX::BODY :IN SB-THREAD::RUN))
 7: ((FLET "WITHOUT-INTERRUPTS-BODY-11" :IN SB-THREAD::RUN))
 8: ((FLET SB-UNIX::BODY :IN SB-THREAD::RUN))
 9: ((FLET "WITHOUT-INTERRUPTS-BODY-4" :IN SB-THREAD::RUN))
10: (SB-THREAD::RUN)
11: ("foreign function: call_into_lisp")
12: ("foreign function: funcall1")