<p>In <a href="https://github.com/geany/geany/pull/797#discussion_r48275304">src/symbols.c</a>:</p>
<pre style='color:#555'>>  
> +          g_tree_search(tree, (GCompareFunc)tree_search_func, &user_data);
> +          list = g_tree_lookup(tree, GINT_TO_POINTER(user_data.found_line));
</pre>
<p>of <code>if (user_data.found_line >= 0)</code> if returned value might be 0 because line=0 would lead to NULL</p>

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