Fix line range references to sample plug-in file
Fix line range references to sample plug-in file

When coderef line ranges were updated after the initial Prettier run in 6e8dce1, these lines were inadvertently shifted when the previous zero-indexed RFC 5147 `#line` references were replaced with `#line-range` pointers in the URI fragment.

Signed-off-by: Roger Sheen <a61a1add71dadc74037ae5e44ee30713db9a7451@infotexture.net>

infotexture/docs,dita-ot/docs,infotexture/docs