mr-legend_wiki/conf/entities.conf

# Typography replacements
#
# Order does matter!
#
# You can use HTML entities here, but it is not recommended because it may break
# non-HTML renderers. Use UTF-8 chars directly instead.

<->     ↔
->      →
<-      ←
<=>     ⇔
=>      ⇒
<=      ⇐
>>      »
<<      «
---     —
--      –
(c)     ©
(tm)    ™
(r)     ®
...     …