Thanks for the speedy reply. I tried adding the charset table as recommended, 
but I am not seeing any difference in my search results. I did differ from the 
directions slightly, in that I put the character set in the default block at 
the top of my Yaml file, since it's then included in all of the environments. I 
figured that should work, but in case it doesn't can you explain why?

default: &default
  morphology: stem_en
  html_strip: true
  batch_size: 300
  charset_table: "0..9, A..Z->a..z, _, a..z, U+410..U+42F->U+430..U+44F, 
U+430..U+44F, U+23"

development:
  <<: *default

test:
  <<: *default

production:
  <<: *default

staging:
  <<: *default
  mysql41: 9320


I forced a full rebuild/reindex with rake ts:rt:rebuild. When that didn't seem 
to change things, I also ran rake ts:rebuild. My understanding is that the 
first of these should be done when you use the Real Time index. If I'm 
mistaken, please let me know.

Thanks again!

Walter

> On Feb 22, 2021, at 10:51 PM, Pat Allan <[email protected]> wrote:
> 
> Hi Walter,
> 
> I’m pretty sure Sphinx doesn’t index punctuation by default. If you want 
> octothorps included, you’ll need to define a custom charset_table value (per 
> environment in `config/thinking_sphinx.yml`) which includes that character. 
> The Sphinx docs outline the default, so best to take that and then add in the 
> octothorp (U+23).
> http://sphinxsearch.com/docs/current.html#conf-charset-table
> https://freelancing-gods.com/thinking-sphinx/v5/advanced_config.html#character-sets-and-tables
> 
> Keep in mind that this will impact all uses of that character in all fields - 
> there’s no way to have it apply to just some fields (or, in this case, words 
> that only start with that character).
> 
> Once you’ve added this configuration, a full rebuild will be required.
> 
> Cheers,
> 
> — 
> Pat
> 
>> On 23 Feb 2021, at 2:41 pm, Walter Lee Davis <[email protected]> wrote:
>> 
>> I'm using GutenTag to apply tags to individual pages in a CMS. The Document 
>> model uses TS5 with Real-Time Indexing. I've set up my index thusly:
>> 
>> # in the model
>>  def tags_for_indexing
>>    tag_names.join ' '
>>  end
>> 
>> # in the index
>> ThinkingSphinx::Index.define :document, :with => :real_time do
>>  scope { Document.where(id: Document.publicly.map{ |d| 
>> [d.id].concat(d.descendants.published.map(&:id)) }.flatten) }
>> 
>>  indexes title
>>  indexes teaser
>>  indexes body_html
>>  indexes author_display
>>  indexes tags_for_indexing
>> 
>>  has created_at, type: :timestamp
>>  has updated_at, type: :timestamp
>> end
>> 
>> I've tested the method, and confirm that it outputs a space-delimited string 
>> of words for the tags.
>> 
>> I run rake ts:rt:rebuild and everything seems to go fine. But trying to 
>> search on some of these tag names is not returning the results I am 
>> imagining. The client has insisted on making some of these tags start with 
>> an octothorp, because she is writing about "hashtags" on Twitter. Most tags 
>> do not have punctuation in them. I am able to find other terms, even very 
>> obscure ones, when I don't use punctuation in the tag names. 
>> 
>> Does this sound like something that I can fix, or should I advise the client 
>> to lay off the octothorps?
>> 
>> Walter
>> 
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