Re: [Groff] pic and nroff

[Werner LEMBERG]

> I now encounter the situation where the `nroff' output starts to
> switch the background colour to black (or whatever: there are black
> rectangles instead of readable text) after it encounters some pic
> code in the document.
>
> as an example I've included a simple example. if you format this with
>
>   pic tt.tr | nroff -ms
>
> you should see what I mean (and this is one of the more benign
> cases: a bit of the pic output is still recognizable).

It works just fine for me.  Below is the result as displayed
with

  groff -Tlatin1 -p -ms tt.tr

and then the same with

  pic tt.tr | nroff -ms | less

as displayed on a Unicode terminal.

> what about the "censoring" of the document text?

What do you mean?


     Werner


======================================================================


lirum larum loeffelstiel


                    +blood++     tissue
                    +      +     +------+
                    +      +-K1+ |      |
                    +  ca  ++----| ct   |
                    +      + k2  +------+
                    ++++++++


lirum  larum  loeffelstiel  lirum  larum  loeffelstiel lirum
larum loeffelstiel  lirum  larum  loeffelstiel  lirum  larum
loeffelstiel  lirum  larum loeffelstiel lirum larum loeffel-
stiel lirum  larum  loeffelstiel  lirum  larum  loeffelstiel
lirum  larum  loeffelstiel  lirum  larum  loeffelstiel lirum
larum loeffelstiel  lirum  larum  loeffelstiel  lirum  larum
loeffelstiel  lirum  larum loeffelstiel lirum larum loeffel-
stiel lirum  larum  loeffelstiel  lirum  larum  loeffelstiel
lirum  larum  loeffelstiel  lirum  larum  loeffelstiel lirum
larum loeffelstiel  lirum  larum  loeffelstiel  lirum  larum
loeffelstiel  lirum  larum loeffelstiel lirum larum loeffel-
stiel lirum  larum  loeffelstiel  lirum  larum  loeffelstiel
lirum  larum  loeffelstiel  lirum  larum  loeffelstiel lirum
larum loeffelstiel lirum larum loeffelstiel

======================================================================


lirum larum loeffelstiel


                    ┼blood┼┼     tissue
                    ┼      ┼     ┌──────┐
                    ┼      ├─K1┤ │      │
                    ┼  ca  ┼├────│ ct   │
                    ┼      ┼ k2  └──────┘
                    ┼┼┼┼┼┼┼┼


lirum  larum  loeffelstiel  lirum  larum  loeffelstiel lirum
larum loeffelstiel  lirum  larum  loeffelstiel  lirum  larum
loeffelstiel  lirum  larum loeffelstiel lirum larum loeffel‐
stiel lirum  larum  loeffelstiel  lirum  larum  loeffelstiel
lirum  larum  loeffelstiel  lirum  larum  loeffelstiel lirum
larum loeffelstiel  lirum  larum  loeffelstiel  lirum  larum
loeffelstiel  lirum  larum loeffelstiel lirum larum loeffel‐
stiel lirum  larum  loeffelstiel  lirum  larum  loeffelstiel
lirum  larum  loeffelstiel  lirum  larum  loeffelstiel lirum
larum loeffelstiel  lirum  larum  loeffelstiel  lirum  larum
loeffelstiel  lirum  larum loeffelstiel lirum larum loeffel‐
stiel lirum  larum  loeffelstiel  lirum  larum  loeffelstiel
lirum  larum  loeffelstiel  lirum  larum  loeffelstiel lirum
larum loeffelstiel lirum larum loeffelstiel