Finally I got a `problems' file. The suicidal trap seems to work like
this:
a) you append a `.rn wh_saved wh' to the macro to be sprung on reaching
a certain height
b) you rename the wh macro: `.rn wh wh_saved'
c) you set-up the trap with wh_saved that will sprung a macro that does
something plus restores wh
It seems that yes, wh_saved can invoke the macro in question, but it
seems that saving/restoring wh
does not eliminate the trap, .ptr still shows it.
Have I missed something?
Btw, wouldn't it be less work to introduce a kamikaze trap into groff
than working with
such constructs at document level many times over?
What do you think?
Miklos
On 28/07/2006, at 9:54 PM, Werner LEMBERG wrote:
So my question is: is there a suicidal trap that kills itself
after it is sprung or on entering a new page, or would it be
difficult to make one?
Look into the PROBLEMS file; the very first item contains a sample
with a self-removing trap.
Werner
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