On 07/03/2011 17:18, Bruno Le Floch wrote: > Hello, > > I'm not sure whether this is the right place to send a bug report on > l3tl. The following code causes a runaway argument. I didn't look yet > at the implementation, but if needed, I can propose a bug fix some > time this week. > > \RequirePackage{expl3} > \ExplSyntaxOn > \tl_new:Nn \g_my_tl {aabono} > \tl_replace_in:Nnn \g_my_tl {bonobo} {whatever} > > Basically what happens is that the string we are looking for is put > directly after the `\g_my_tl`, forming `bonobo`. This `bonobo` is > replaced, and then the termination tries to remove the extra > `bonobo\q_stop` which was added. This fails. The only way out is > apparently to use two markers. It has been done a couple of times > before (stringstring, perhaps?), so I just need to hunt for the > reference. > > aabono -> aabonobonobo\q_stop -> aawhatevernobo\q_stop -> BOOM! Hello Bruno, Thanks for the bug report. I'll aim to fix it in the SVN today, and then do a CTAN release. -- Joseph Wright