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Re: Info reader - issues finding first index entry


From: Charles Reilly
Subject: Re: Info reader - issues finding first index entry
Date: Wed, 28 Sep 2022 19:24:21 +0100
User-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.3.0

It's a simple fix.  Do you accept git patches?


On 27/09/2022 8.20 pm, Charles Reilly wrote:
On 27/09/2022 6.58 pm, Gavin Smith wrote:
On Tue, Sep 27, 2022 at 06:07:08PM +0100, Charles Reilly wrote:
Hi,

Using info I have had some issues with finding the first entry in the index. For example, try running "info gzip".  The first entry in the concept index
for gzip is "bugs".  Some example searches:

     ibugs   - Succeeds
     ibu     - No entries containing 'bu'.
     Ibugs   - No entries containing 'bugs'.
     Ibu     - No entries containing 'bu'.

It seems that the index-search only finds the first entry if it is an exact
match.  The virtual-index never finds the first entry.

Four similar tests for the second index entry, "concatenated files", all
succeed.

I'm using info version 6.7.  A similar bug was reported previously:
https://lists.gnu.org/archive/html/bug-texinfo/2010-07/msg00015.html


A bug like this was fixed in March 2022.  This was reported here:

https://lists.gnu.org/archive/html/bug-texinfo/2022-02/msg00105.html

and fixed on 2022-03-09.  It was a different issue that was reported in 2010.

Thank you, I missed that.  I've built the latest source from savannah and tried again.  Now I get:

     ibugs   - Succeeds
     ibu     - Succeeds
     Ibugs   - No index entries containing 'bugs'.
     Ibu     - Succeeds

Everything works except a virtual index with an exact match on the first index entry.

There is also still a slight weirdness with the index search.  Normally after a search with a single result, entering ',' for the next result gives something like "No more index entries containing 'concat'".  But if the result was the first one in the index it gives "No index entries containing 'bu'", without the "more".  This is no great problem but it does suggest something odd is going on.



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