@Mojca, I found that /usr/texbin was pointing to a missing directory, so this caused the problem mentioned below. I took /usr/texbin out of the $PATH and replaced it with /usr/local/texlive/2007/bin/i386-darwin -- this lets luatools --selfupdate run correctly: LuaTools | to be replaced old script /usr/local/texlive/2007/bin/i386-darwin/luatools LuaTools | checking new script /usr/local/texlive/texmf-local/scripts/context/lua/luatools.lua LuaTools | old script content replaced by new content LuaTools | LuaTools | runtime: 0.056 seconds But the old problem still persists. @Hans, I pressed enter when the original error occurs and this just gives me one more line before the script stops: l.3174 ? ../../../../src/texk/web2c/luatexdir/tex/linebreak.c:1599: failed assertion `alink(cur_p)==temp_head' LuaTools | LuaTools | runtime: 10.399 seconds @Taco, I think my core-ref.tex contains the same as yours: 3165 \def\setupbuttons 3166 {\dodoubleargument\getparameters[\??bt]} 3167 3168 \definecomplexorsimpleempty\button 3169 3170 \def\complexbutton 3171 {\docomplexbutton\??bt} 3172 3173 \presetlocalframed[\??bt] 3174 3175 \long\def\docomplexbutton#1[#2]#3#4% get rid of possible space before [#4] 3176 {\dodocomplexbutton#1[#2]{#3}#4} % #4 == [ 3177 3178 \def\buttonframed{\dodoubleempty\localframed[\??bt]} % goodie 3179 3180 \long\def\dodocomplexbutton#1[#2]#3[#4]% #3 can contain [] -> {#3} later Anybody? Roland On 12/04/2008, Roland wrote:

Hmmm this produces something funny:

$ luatools --selfupdate

LuaTools | to be replaced old script /usr/texbin/luatools LuaTools | unable to locate new script LuaTools | LuaTools | runtime: 0.005 seconds

Perhaps some link is wrong or I shouldn't use the alias /usr/texbin (as installed by MacTeX)?

On 08/04/2008, Mojca Miklavec wrote:

...

Did you try to run luatools --selfupdate ?