gl_change_editor
static int gl_change_editor(GetLine *gl, GlEditor editor);
if(gl_change_editor(gl, gl->editor))
gl_change_editor(gl, GL_EMACS_MODE);
gl_change_editor(gl, GL_VI_MODE);
gl_change_editor(gl, GL_NO_EDITOR);
return gl_change_editor(gl, GL_EMACS_MODE);
return gl_change_editor(gl, GL_VI_MODE);