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The portal does not display the value "Custom" on the Review page
of the Channel Manager in the row for "Channel Type". As explained to me by Susan, the The reason for this is that Custom channels have a type of -1, and so, conceptually, they have no registered type, and thus display a blank channel type value.
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Of course, the other CChannelManger .xsl files would need to be changed also to account for all locales.
Custom is a channel type?
Can Custom be "just" another channel type, one that allows the IChannel class to be specified at channel publication time and which solicits arbitrary channel parameters? Such that all channels would have a channel type, and the workflow for custom would be configured in a custom.cpd in the same way that the workflow for other channel types is configured?