anchor.diff:  You can also try to just open the image in your favourite editor and re-save it.
   
   == exportVisio
  +====
   
   === Q: I get an error message saying that a library is not registered when I try to run the `exportVisio`-task.
   
  
positive.code: Could not reserve enough space for 2097152KB object heap
  ```
  
  Somehow docToolchain can't allocate the memory which is configured out of the box.
  Try to free up some memory or comment out the line `org.gradle.jvmargs=-Xmx2048m` in `gradle.properties`
  
  [[wsl]]
  === Q: I get the error saying `Could not initialize class java.awt.GraphicsEnvironment$LocaleGE`
  
  This seems to be a problem with WSL on Windows.
  Some sources mention to run Java in headless mode, but in this case, it doesn't solve the problem.
  The root cause seems to be plantUML trying to get some font information.
  
negative.code: > Failed to create MD5 hash for file content.`
  ----
  
  .Answer
  [%collapsible]
  ====
  There are two known reasons for this error.
  
  1. One of the .adoc files is opened in an editor, so that windows can't get the lock for that file.
  