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/usr/share/postgresql/9.6/tsearch_data/hunspell_sample_long.affix is in postgresql-9.6 9.6.11-0+deb9u1.

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FLAG long

AF 7
AF cZ		#1
AF cL		#2
AF sGsJpUsS	#3
AF sSpB		#4
AF cZsS		#5
AF sScZs\	#6
AF sA		#7

COMPOUNDFLAG cZ
ONLYINCOMPOUND cL

PFX pB Y 1
PFX pB   0	re	.

PFX pU N 1
PFX pU   0	un	.

SFX sJ Y 1
SFX sJ   0	INGS	[^E]

SFX sG Y 1
SFX sG   0	ING		[^E]

SFX sS Y 1
SFX sS   0	S	[^SXZHY]

SFX sA Y 1
SFX sA   Y	IES	[^AEIOU]Y

SFX s\ N 1
SFX s\   0	Y/2	[^Y]