minor, append interims to main description

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
minor, support interim appending for umbrella descriptions

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
test, add regression tests for interim appending

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
Merge branch 'core/dsl'

* core/dsl:
  test, add regression tests for interim appending
  minor, support interim appending for umbrella descriptions
  minor, append interims to main description
Revert "chore, disable clang builds as they are known to miscompile"

This reverts commit 0076ca8bf74643866517b6a08b7960c43a613141.
hack, work around clang bug 18558 in yuck-scmver's hextou()

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
Merge branch 'bld/clang'

* bld/clang:
  hack, work around clang bug 18558 in yuck-scmver's hextou()
  Revert "chore, disable clang builds as they are known to miscompile"