Problem: Editor doesn't open. Spinner spins for ages.
Solution: Try to disable gzip for Documents app by adding the following line to your .htaccess:
SetEnvIf Request_URI .*/apps/documents/ajax/.* no-gzip dont-vary

Problem: Doc(x) support doesn't work
Solution: Install at least libreoffice-common and libreoffice-writer packages for your distro.
If you don't want to mess around with dependencies, you need simply install unoconv package. It will do the trick for you.

How to add more fonts

Upload font files to documents/css/fonts directory
Edit documents/css/fonts.css adding @font-face rule for each uploaded file

WebODF upgrade

Build WebODF:
```
 ./src/updateWebODF.sh prepare
```

    git clone https://github.com/kogmbh/WebODF.git webodf
    mkdir build
    cd build
    cmake ../webodf
    make all webodf-debug.js-target build-wodocollabtexteditor

Refresh code and create a new branch:

 cd /path/to/documents
 git checkout master
 git pull --rebase
 git checkout -b new-branch

Run upgrade script:

 ./src/updateWebODF.sh copy
 ./src/updateWebODF.sh patch

Resolve confilcts in patches (if any). Commit changes.
Update patches in /path/to/documents/src/patches according to conflicts. Commit changes.
Test UI. Fix glitches by updating CSS. Commit changes.
Run locale extraction script:
```
 ./src/updateWebODF.sh
```
Commit changes
Push the branch for testing
You are done.