bug#47505: 25.1; ediff thinks words changed when filling prefixed

[Samuel Wales <samologist@gmail.com>]

to reproduce, please put this in file a:

# asdfjkansdkljfan ksd fnak nsdflkadsnfkansdkfnakdsnf
# aklsfdnakljfnsdkasdnfja sdn fkljad nsfkj ansdkfn aksdjfna
# ksjfndk ajdnsf kajsndkfjansdkfjn ja nsdkjfn askdj fnakjs fdnakj
# nsdfkaj dns

then set fill-column to 60.  then fill.  then save to file b.

you now have a and b with the same text, but a filled commented
paragraph that differs between them.

now open in diff mode.  you will notice that it thinks only the comments
changed.  this is expected behavior.

now open with m-x ediff RET.  it thinks the first word in the last line
in b is different.  but it is not different.

best i can do for a bug report.  thanks.


On 3/28/21, Eli Zaretskii <eliz@gnu.org> wrote:
>> From: Samuel Wales <samologist@gmail.com>
>> Date: Sun, 28 Mar 2021 21:48:18 -0700
>> Cc: help-gnu-emacs@gnu.org
>>
>> for purpoes of the test do something like this:
>>
>> # asdfjkansdkljfan ksd fnak nsdflkadsnfkansdkfnakdsnf
>> # aklsfdnakljfnsdkasdnfja sdn fkljad nsfkj ansdkfn aksdjfna
>> # ksjfndk ajdnsf kajsndkfjansdkfjn ja nsdkjfn askdj fnakjs fdnakj
>> # nsdfkaj dns
>>
>> then fill to a narrow fill column.
>
> Please submit a full bug report with the details, TIA.
>
>


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