On 4/25/22 22:04, Po Lu wrote:
> Paul Eggert <eggert@cs.ucla.edu> writes:
> 
>> +(defcustom gnus-html-image-cache-ttl (time-convert (days-to-time 7) 'integer)
>> +  "Number of seconds used to determine if we should use images from the cache."
>>     :version "24.1"
> 
> Shouldn't the version be changed to 29.1?

Yes, I suppose so. Thanks for checking. Also, "number" should be quoted. 
Revised patch attached.