Ralph, Ingo, thank you for your explanation. Yes in fact what I was trying to do was see if there was a way of doing something like HTML <div> or <span>.
I was hoping there was a way of doing that, but it looks like I will have to do it manually. Thanks again, yves On Sun, Feb 1, 2015 at 9:43 AM, Ralph Corderoy <[email protected]> wrote: > Hi Yves, > > Ingo wrote: > > > I am trying to get to grips with how environments work. For example > > > what I'm trying to do is start a new environment, apply some > > > formatting, then return to the previous environment: > > > > As far as i understand, environments are not the intended tool for > > temporary formatting changes: They deal only half-way with partially > > filled lines, saving and discarding them, but providing no support for > > printing them. > > Ingo's right. They're not a way of having font settings to hand so you > can switch to a group of attributes in one go, as if putting an HTML > <span> in a particular CSS class. They're intended more for printing a > page's footer when the trap is triggered at the bottom of the page's > text without having to save and restore the text's styling at that > point, whatever it may be. Ditto the next page's header. > > The Troff User's Manual, CSTR 54, uses them in its tutorial for the > footer macro. http://troff.org/54.pdf > > Cheers, Ralph. >
