## Hello world!

Welcome to my Blog! This is my first post where I try out some plug-ins before starting to write away.

# Crayon Syntax Highlighter

This is Crayon Syntax Highlighter:

# WP LaTeX

And this is WP LaTeX:
$e^{\i \pi} + 1 = 0$

# BibSonomy/PUMA CSL

I also use BibSonomy, so I tried to install the corresponding plug-in in order to list some publications and research articles.  This turned out to be a little cumbersome since it does not seem to be compatible with PHP7. When I try to activate the plug-in, I get two errors:

The first error we can solve by modifying the file CurlHttpRequestProxy.php , i.e., we replace

by

The second error I was able to “fix” by installing the package php-xml :

After this, the BibSonomy plug-in worked for me.