`cperl-extra-paired-delimiters-mode'. This is also available from the
\"Perl\" menu in section \"Toggle...\".
The character pairs available are:
-(), <>, [], {}, «», »«, ༺༻, ༼༽, ᚛᚜, ‘’, ’‘, “”, ”“, ‵′, ‶″, ‷‴, ‹›, ›‹, ⁅⁆,
+(), <>, [], {}, «», »«, ༺༻, ༼༽, ᚛᚜, \\=‘\\=’, \\=’\\=‘, \\=“\\=”, \\=”\\=“, \\=‵\\=′, \\=‶\\=″, \\=‷\\=‴, ‹›, ›‹, ⁅⁆,
⁍⁌, ⁽⁾, ₍₎, →←, ↛↚, ↝↜, ↠↞, ↣↢, ↦↤, ↪↩, ↬↫, ↱↰, ↳↲, ⇀↼, ⇁↽, ⇉⇇, ⇏⇍, ⇒⇐, ⇛⇚,
⇝⇜, ⇢⇠, ⇥⇤, ⇨⇦, ⇴⬰, ⇶⬱, ⇸⇷, ⇻⇺, ⇾⇽, ∈∋, ∉∌, ∊∍, ≤≥, ≦≧, ≨≩, ≪≫, ≮≯, ≰≱, ≲≳,
≴≵, ≺≻, ≼≽, ≾≿, ⊀⊁, ⊂⊃, ⊄⊅, ⊆⊇, ⊈⊉, ⊊⊋, ⊣⊢, ⊦⫞, ⊨⫤, ⊩⫣, ⊰⊱, ⋐⋑, ⋖⋗, ⋘⋙, ⋜⋝,