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Index Obsoleted contexts
--------------------------------------------------------A B---------------
<obsolete modified="0"><eol/></obsolete> 1 1
<obsolete modified="1"></obsolete> 0 0
<obsolete modified="2" context="A"><eol/></obsolete> 1 0
<obsolete modified="3" context="B"><eol/></obsolete> 1 1
<obsolete modified="4" context="A"></obsolete> 0 1
<obsolete modified="5"><eol/></obsolete> 1 1
<obsolete modified="6" context="A"></obsolete> 1 1
Should context-less obsolete be independend from context obsolete?
If independent, which does take precedence?
Global-obsolete after a context-obsolete: Should it overlay replacement? Yes.
Global-reset after a context-obsolete: Should it unobsolete the context?
Context-reset after global-obsolete: Should it unobsolete the context?
Models:
(1) Global set and reset apply per context:
Global-obsolete after a context-obsolete: Does it overlay replacement? Yes.
Global-reset after a context-obsolete: Does it unobsolete the context? Yes.
Context-reset after global-obsolete: Does it unobsolete the context? Yes.
(2) Global set applies per context, global reset takes precedence:
Global-obsolete after a context-obsolete: Does it overlay replacement? Yes.
Global-reset after a context-obsolete: Does it unobsolete the context? Yes.
Context-reset after global-obsolete: Does it unobsolete the context? No.
(3) Independent, global set takes precedence:
Global-obsolete after a context-obsolete: Does it overlay replacement? Yes.
Global-reset after a context-obsolete: Does it unobsolete the context? No.
Context-reset after global-obsolete: Does it unobsolete the context? No.
(4) YAML implementation:
Any reset resets everything.
Context-obsolete overlays a global-obsolete.
Global-obsolete overlays everything.
Context-reset resets only that context, previous global-obsolete remains valid
for other contexts.
DECISION
========
The rules will follow YAML implementation. An obsoleteness is a per-context
property. A set always sets the property, a reset always unsets the property.
Always per context. A contextless obsolete (set or reset) is only a shortcut
for naming all contexts.
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