ttlser longer prefix issue

[tgbugs]

The obo namespace sticks.

@prefix : <https://apinatomy.org/uris/models/keastSpinal/ids/> .
@prefix apinatomy: <https://apinatomy.org/uris/readable/> .
@prefix elements: <https://apinatomy.org/uris/elements/> .
@prefix FMA: <http://purl.org/sig/ont/fma/fma> .
@prefix GO: <http://purl.obolibrary.org/obo/GO_> .
@prefix ILX: <http://uri.interlex.org/base/ilx_> .
@prefix ns1: <http://obolibrary.org/obo/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix UBERON: <http://purl.obolibrary.org/obo/UBERON_> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

:2 a elements:Material ;
    rdfs:label "Basement membrane" ;
    apinatomy:external :PMID:31102947,
        UBERON:0005769 .

:41 a elements:Material ;
    rdfs:label "Blood" ;
    apinatomy:external ns1:UBERON_0000178 ;
    apinatomy:materials :53 .

[tgbugs]

Looks like a caching issue, still an issue in 1.1.4.