[Info-vax] bizarre SEARCH bug (7.3-2 Alpha)

[Michael Moroney]

Dave Froble <davef at tsoft-inc.com> writes:

>On 11/12/2019 12:39 PM, Michael Moroney wrote:
>> helbig at asclothestro.multivax.de (Phillip Helbig (undress to reply)) writes:
>>
>>> What is strange is that the second "]" is not highlighted.  The text
>>> contains many examples of two of each in one line, and the others look
>>> OK, whether or not there is text between the matching pairs or not.
>>
>> Looking through the audit trail, I see a fix in SEARCH.B32 of a problem where
>> SEARCH fails to highlight some instances of a matching string. November 2005.
>>
>> <cue Hoff and old software>
>>

>The more I thought about this, which wasn't much, I came to the 
>conclusion that it just about had to be a problem in SEARCH.

>If the terminal / emulator highlighted one string, then why not another? 
>  Highly doubtful it was the terminal.

>I also cannot imagine the network, wire, or whatever removing the 
>commands to highlight, consistently.

>That leaves SEARCH as the likely culprit.  However, it does not have the 
>problem on my VAX / VMS V7.2 system.  So how did it get screwed up on 
>Alpha 7.3?  That is what I find interesting.

Sometimes bugs get introduced when making some other change/improvement.
And this one was discovered and fixed somewhat quickly, but not quickly
enough to prevent escape into the wild.

As to why it happened sometimes, maybe I'll pull the image with the fix and
the previous version, $ DIFF them and see what changed.  Or maybe not.
X86 Global sections call my name.