<p>In <a href="https://github.com/geany/geany-plugins/pull/324#discussion_r49270781">lineoperations/src/linefunctions.c</a>:</p>
<pre style='color:#555'>> +                    }
> +                  else if(linelen != 1)
> +                  {
> +                          line = sci_get_line(doc->editor->sci, i);
> +
> +                          // copy current line into *newfile
> +                          for(j = 0; line[j] != '\0'; j++)
> +                                  newfile[nfposn++] = line[j];
> +                  }
> +          }
> +          newfile[nfposn] = '\0';
> +          sci_set_text(doc->editor->sci, newfile);  // set new document
> +
> +
> +          g_free(newfile);
> +  }
</pre>
<p>I'd probably rather implement this one using only direct Scintilla manipulation:</p>

<div class="highlight highlight-source-c"><pre>gint line_count;

<span class="pl-en">sci_start_undo_action</span>(sci);

line_count = sci_get_line_count(sci);
<span class="pl-k">for</span> (gint line = <span class="pl-c1">0</span>; line < line_count; line++) {
  <span class="pl-k">if</span> (<span class="pl-c1">sci_get_position_from_line</span>(sci, line) == <span class="pl-c1">sci_get_line_end_position</span>(sci, line)) {
    <span class="pl-c1">scintilla_send_message</span>(sci, SCI_DELETERANGE,
                           <span class="pl-c1">sci_get_position_from_line</span>(sci, line),
                           <span class="pl-c1">sci_get_line_length</span>(sci, line));
    line_count--;
  }
}

<span class="pl-en">sci_end_undo_action</span>(sci);</pre></div>

<p>or similar</p>

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