PIsearch > htmlentities(): charset `US-ASCII' error

[cyberman]

Pisearch supports all standardized charsets. You are using a proprietary charset like windows-1257. Pisearch recognized it as US-ASCII.

You should use standardized charsets like utf-8 and not such proprietary like windows-1257. With these one other (non-windows) operating systems can have trouble.

[cyberman]

The special chars must only encoded right  ...

[cyberman]

How to use different pisearch templates only by changing some variables?

You can use another template with {pisearch template="your_template.tpl"}