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LYNX-DEV Problems with new tracelog feature (fotemods)


From: Klaus Weide
Subject: LYNX-DEV Problems with new tracelog feature (fotemods)
Date: Tue, 13 May 1997 11:53:58 -0500 (CDT)

1)
The following sequence gets Lynx into a state where ^C is the only way
out.  'z' doesn't work; '^Z' can suspend, but after continuing with "fg"
the endless loop continues.

  lynx -trace FOTEMODS
  press ';'
  press '^R'

(This assumes Lynx is compiled with the fotemods default of
#define USE_TRACE_LOG   TRUE
in userdefs.h.)

Similar when ';' is invoked, then 'g'oto some other pages, finally
go back in history (PREV_DOC) to the trace.log file while TRACE is on,
if it isn't in memory cache at that point (small -cache=number).

2)
I use a DOWNLOADER which just invokes 'less' on a file.
When I use it after TRACE has been activated for the first time,
and independent whether it is on or off at that point, 'less'
requires Return after each key to process it (for example SPACE + RETURN
to scroll to the next page, instead of just SPACE).  This appears to be a
property of 'less', to react differently when stderr is redirected;
other helper applications may similarly change behavior.

3)
I would like to be able to view the trace log file not with Lynx, but
with a helper application ("Lynx is not a file viewer." :) ).
This seems to work, by mapping ".trace" to a MIME type which causes
the helper to be invoked.  To facilitate this, the file name should
be configurable - I may not want to remap ".trace" because I already
have a use for it.
Of course one can invoke a viewer by a more circuitous route (first ';',
the 'P'rint menu or History/'D'ownload - surprisingly the latter method
works without causing problem 1 even while the file is being appended to), 
but that shouldn't be necessary.

   Klaus

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