Sublime3 red highlight on structure in blueprints

[sage12]

The symbol after entry: on structure field in blueprints, does create some annoying red highlight on Sublime Text 3:

image.png452×502 37.4 KB

I assume this is because it detects a closing tag where there is no opening,but how to avoid it?
Thank you

[texnixe]

You probably have a tab somewhere where there should be spaces.

[bnomei]

have you tried enclosing the entry in "s instead of using > and a linebreak?

[manuelmoreale]

Everything is working just fine for me in ST3. Are you perhaps using some extra package?
Maybe there’s some problem there.