Such modeline is a comment in the first line of the file or the second one if the first contains a shebang (#!). It is composed by a list of variable names followed by : and a value, separated by ; and surrounded by -*-.
A typical Emacs modeline looks like this:
/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*- */
Anjuta supports only the following variables.
Set to t to use tabulation for indentation or nil to use spaces.
Number of space characters corresponding to one tabulation character.
Number of space characters used to indent C code.
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