Template documentation
Test 1
((Infobox number/link|number=-3))
→ −3
((Infobox number/link|number=-2))
→ −2
((Infobox number/link|number=-1))
→ −1
((Infobox number/link|number=0))
→ 0
((Infobox number/link|number=1))
→ 1
((Infobox number/link|number=2))
→ 2
Test 2
((Infobox number/link|plain=y|number=-3))
→ −3
((Infobox number/link|plain=y|number=-2))
→ −2
((Infobox number/link|plain=y|number=-1))
→ −1
((Infobox number/link|plain=y|number=0))
→ 0
((Infobox number/link|plain=y|number=1))
→ 1
((Infobox number/link|plain=y|number=2))
→ 2
Test 3
((Infobox number/link|pre=→|post=←|number=1))
→ → 1 ←
Test 4
((Infobox number/link|plain=y|pre=→|post=←|number=1))
→ 1