[en] DID_BASEFORM false positive

[mateon1]

$ java -jar languagetool-commandline.jar - <<< "...; half of them missed their mark while those that didn't missed Dragonov's vitals."
No language specified, using English (no spell checking active, specify a language variant like 'en-GB' if available)
Working on STDIN...
1.) Line 1, column 61, Rule ID: DID_BASEFORM[4]
Message: The verb 'didn't' requires base form of this verb: 'miss'
Suggestion: miss
...em missed their mark while those that didn't missed Dragonov's vitals. 
                                                ^^^^^^                    
Time: 1819ms for 1 sentences (0.5 sentences/sec)

Seems like there needs to be an exception for "those that didn't", "those who didn't", "ones that didn't", "ones who didn't", and possibly some others. Maybe the exception needs to match "while"? I'm not sure.

[MikeUnwalla]

I cannot see how to correct this false positive.