Revert "Tidy up enum matching where classname is missing"

This reverts commit 20e082d00e6390eeb1d2f4e00f6850127d9a1882.
Resolves #2935
Merge pull request #2938 from oddnoc/2935-empty-enum-value

Revert "Tidy up enum matching where classname is missing"
DOCS Added info about adjusting Image quality using new config
Merge pull request #2944 from howardgrigg/Docs-patch

DOCS Added info about adjusting Image quality using new config