Hi Han-Wen,
Thank you for pointing out this defect.
I have created patch 4236027 to address it:
http://codereview.appspot.com/4236047
To answer your question, what the "if" was supposed to be doing: the
idea was to guard against the situation where there the whole paragraph
consists of only one line, because a one-line paragraph is allowed to be
orphaned. But what I was not seeing, was that the increment-statement
of the "for" had already advanced "list" to point to EOL by the time we
reached that "if". Quite embarrassing actually.
Boris
On 11-02-22 09:33 AM, Han-Wen Nienhuys wrote:
Hi Boris,
I was looking at why
\markuplines{}
is dumping core, and came across code committed in
commit 4878fcdb04b335041f1440c8d31b0b4b80ecaea9
Author: Boris Shingarov<[email protected]>
Prob *ps;
SCM list;
for (list = texts ; scm_is_pair (list) ; list = scm_cdr (list))
...
if (list == texts)
{
complaints:
1. this code leaves ps and list uninitialized. Always initialize *all*
local variables.
2. the if never fires, unless tests==SCM_EOL in the first place
3. Given that the if never fires, do we have a regression test that
covers this code, and are you sure this actually does something
useful?
Can you please fix this, both the esthetics and the functionality; it
is a release blocking problem.
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