Italics display in the TOC title (see The Poetic Life-Form: An Analysis on the Role of Elegy and Form in In Memoriam):
http://journals.sfu.ca/courses/index.php/eng435/index

But not on the article page, where the tags themselves are displayed:
http://journals.sfu.ca/courses/index.php/eng435/article/view/7

Edits

Metadata support details listed by @asmecher #2564 (comment)

PRs

App
pkp-lib --> #8584
ui-library --> pkp/ui-library#252
ojs --> pkp/ojs#3731
ops --> pkp/ops#464
omp --> pkp/omp#1329

Plugins
OAI DC, MarcXML, RSS/ATOM [HTML Tag Support : NO] --> No Change Required
DC(DublinCore) [HTML Tag Support : NO] --> No Change Required
googleScholar[HTML Tag Support : NO] --> pkp/googleScholar#11 [PR CLOSED]
orcidProfile [HTML Tag Support : NO] --> pkp/orcidProfile#231
crossref-ojs [HTML Tag Support : YES] --> pkp/crossref-ojs#25
crossref-ops [HTML Tag Support : YES] --> pkp/crossref-ops#22
medra[HTML Tag Support : NO] --> pkp/medra#6 [PR CLOSED]
DataCite [HTML Tag Support : NO] --> touhidurabir/ojs@e0676e5
DOAJ [HTML Tag Support : NO] --> touhidurabir/ojs@b080ef1
PubMed[HTML Tag Support : YES] --> touhidurabir/ojs@ae06853
jatsTemplate [HTML Tag Support : YES] --> pkp/jatsTemplate#22
oaiJats [HTML Tag Support : YES] --> pkp/oaiJats#33
ONIX [HTML Tag Support : NO] --> pkp/omp#1355