These errors appear (see Compiler output) when I compile the following Wix source code (see Wix source code).
Preproccessed output part contains preprocessor output with the unexpected xmlns attributes.
Compiler output
Wix source code
<wix xmlns="http://schemas.microsoft.com/wix/2006/wi">
<fragment>
<customtable id="user-content- Dependency">
<row></row></customtable></fragment></wix>
<data column="ComponentId">$(var.BaseCompId)</data>
<data column="DependentCompId">$(var.DependentCompId)</data>
Preproccessed output
<wix xmlns="http://schemas.microsoft.com/wix/2006/wi"></wix>
<fragment></fragment>
<customtable id="user-content-Dependency"></customtable>
<row></row>
<data column="ComponentId" xmlns="http://schemas.microsoft.com/wix/2006/wi">22BEC269-83AC-4C02-9323-4C556CC959A6</data>
<data column="DependentCompId" xmlns="http://schemas.microsoft.com/wix/2006/wi">29F33D17-CD71-4290-BBFD-A327E2EC1223</data>
<data column="ComponentId" xmlns="http://schemas.microsoft.com/wix/2006/wi">22BEC269-83AC-4C02-9323-4C556CC959A6</data>
<data column="DependentCompId" xmlns="http://schemas.microsoft.com/wix/2006/wi">5BC2D8C3-FA1B-4F2A-BB5B-4DDA7ED965D8</data>
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