Make sure that start and end tags for empty texts are counted

For each text, no matter if empty or not, there will be one
start and end tag count in the unigrams.

Change-Id: I9fe769ea3d8a7de7b078499f33a611a7ba4bac4d
7 files changed
tree: 24f36757d5adc1d11dbc44181f229541630c94d8
  1. src/
  2. .gitignore
  3. CHANGELOG.md
  4. pom.xml