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To avoid large-scale disruption and unnecessary server load, any changes to this template should first be tested in its /sandbox or /testcases subpages, or in your own user subpage. The tested changes can then be added to this page in one single edit. Please consider discussing any changes on the talk page before implementing them.
This is an auxiliary template that allows one to encode "
||" (two pipes or vertical bars) within template parameters. If it is unnecessary to get a "
||", it is better to use "
||". However the "
||" delimiter for a Wiki table has to be escaped by a template if it is used within a template.
There is usually no such problem with "
!!" (exclamation marks). This problem only affects "
||" (vertical bars) in conjunction with the m:Help:Parameter default mechanism within tables. However, in table rows starting with "
!" there can be problems with "
!!" being interpreted as a cell separator. Try replacing it with "
This template cannot be substituted.
Escapes double pipe characters within template parameters
|No parameters specified|