On Sat, Apr 22, 2023 at 05:37:24AM -0500, G. Branden Robinson wrote: > Hi Carlos, > > I'll resequence your mail to put the issue you wanted to set aside last. > > At 2023-04-22T05:26:37-0400, Carlos wrote: > > Currently running > > > > the called subprograms: > > > > GNU grops (groff) version 1.22.4 > > GNU troff (groff) version 1.22.4 > > Just to establish some common ground, this is indeed the latest release, > from December 2018. We are working hard to try to get groff 1.23.0 > out--we are currently at release candidate 4. The forthcoming release > fixes literally hundreds of bugs and bears literally thousands of > changes. > > https://lists.gnu.org/archive/html/platform-testers/2023-04/msg00004.html > > You are not obliged to try out this release candidate in any way, but I > thought I'd mention it. > > > and whether it's running -man or -mandoc, it injects a blank unwanted > > page in the very beginning of the document. > > This does not sound like a known bug in groff 1.22.4. But it does have > a familiar ring. > > > It doesn't matter whether it's a postscript file or a pdf afterwards, > > groff inserts the blank page regardless > > > > I'm not familiarized with groff but it seems as if a macro, in this > > particular case, .TH, that is normally in the beginning of the page, > > causes it, or it's indirectly involved in this blank page. Doesn't > > matter. If i were to focus enough on the page and say open sesame > > it woudn't do anything. But if I were to type an .ig and two dots > > in between that pesky `.TH` macro, the blank page disappears. So in > > that sense, open sesame worked because ;) because the unwanted page > > is no longer there. The formatting of the page is gone, and that's > > more than an obvious Copernicus, but who cares, really? > > > > The question is: what it's causing this unwanted blank page? Are > > locales somehow responsible for it? > > > > Now. The interesting part is that `man -T ps <manpage> ` works without > > an issue, but groff , or more precisely both -man and -mandoc don't > > and still injects the blank page > > It sounds to me like someone or something has modified a macro file and > permitted a blank line to creep into it. Your experiment with '.ig' was > a good idea, but it is not clear to me _exactly_ where you put it. > Perhaps you could email this list your an-old.tmac file. > > Unfortunately, it is possible that the blank line crept into _any_ macro > file that troff reads when starting up, and there can be quite a few of > those. Including localization macro files, but those aren't the first > place I'd look, especially in groff 1.22.4. > > Here is a simple experiment you can try, and my results with it. > > $ echo '.TH foobar 1 baz qux' | nroff -man | cat -n > 1 foobar(1) General Commands Manual > foobar(1) > 2 > 3 > 4 > 5 qux baz > foobar(1) > > If your output differs, we'll want to know. > > Here's a way to look for blank lines in macro files, with the results > from my system. > > $ grep -l '^\s*$' /usr/share/groff/1.22.4/tmac/{*.tmac,mdoc/*} > /usr/share/groff/1.22.4/tmac/devtag.tmac > /usr/share/groff/1.22.4/tmac/hdmisc.tmac > /usr/share/groff/1.22.4/tmac/hdtbl.tmac > /usr/share/groff/1.22.4/tmac/m.tmac > /usr/share/groff/1.22.4/tmac/mse.tmac > /usr/share/groff/1.22.4/tmac/om.tmac > /usr/share/groff/1.22.4/tmac/pdf.tmac > /usr/share/groff/1.22.4/tmac/pdfmark.tmac > /usr/share/groff/1.22.4/tmac/s.tmac > /usr/share/groff/1.22.4/tmac/spdf.tmac > /usr/share/groff/1.22.4/tmac/www.tmac > > These aren't necessarily a problem--as you noted, the `ig` request can > make blank lines harmless. But because they're so troublesome, we've > arranged for groff 1.23.0 to have fewer. > > $ git describe > 1.23.0.rc4-83-g0dbc3f6c4 > $ grep -l '^\s*$' tmac/{*.tmac,mdoc/*} > tmac/devtag.tmac > tmac/pdf.tmac > tmac/psfig.tmac > tmac/s.tmac > > (Maybe we can kill the rest off for groff 1.24...) > > Let us know what you find. > > > First about the error `program 'pnmtops' can't handle -nosetpage > > option; can't generate doc/gnu.eps` > > can't go past this very particular cvs compilation after > > who-knows-how-many-tries so far with this `program 'pnmtops' can't > > handle -nosetpage option; can't generate doc/gnu.eps` error > > > > program 'pnmtops' can't handle -nosetpage option; can't generate doc/gnu.eps > > make[1]: *** [Makefile:14627: doc/gnu.eps] Error 1 > > > > But anyhow. I just wanted to compile from cvs > > Wow, where did you dig up a live CVS repository of groff? > > The project switched to Git at least ten years ago. > > The Autoconf test for pnmtops might be a little misleading. I notice > that the one in groff 1.22.4 doesn't `AC_REQUIRE` the > `GROFF_HTML_PROGRAMS` Autoconf test that checks for pnmtops in general. > > (Let me see if groff Git HEAD still has that problem... > > ...no. We (I) renamed some of the tests, but the substantive > functionality is still needed and still checked for. An AC_REQUIRE is > now present.) > > So I would make sure you have the "netpbm" package installed on your > system. On a Debian-based one, this can be done with "apt install > netpbm". We've had this check since 2006 or earlier, so it's really > hard to believe there's a version of netpbm still in the wild that lacks > the '-nosetpage' option flag. > > > rather than from the tarball. In the end I found out I had the latest > > released version, so I gave up. > > > > And this issue can be tackle later on really. Let's put it aside for > > now. > > Regards, > Branden
And this is the difference of the same file, (namely latex.1 in this case) between groff 1.22.4 and 1.23 diff --git a/latex.ps b/latex.33.ps index 8319cb2..19051a5 100644 --- a/latex.ps +++ b/latex.33.ps @@ -1,11 +1,11 @@ %!PS-Adobe-3.0 -%%Creator: groff version 1.22.4 -%%CreationDate: Sat Apr 22 14:37:11 2023 -%%DocumentNeededResources: font Times-Roman +%%Creator: groff version 1.23.0.rc4.19-96b92 +%%CreationDate: Sat Apr 22 15:15:14 2023 +%%DocumentNeededResources: font Times-Italic +%%+ font Times-Roman %%+ font Times-Bold -%%+ font Times-Italic -%%DocumentSuppliedResources: procset grops 1.22 4 -%%Pages: 2 +%%DocumentSuppliedResources: procset grops 1.23 0 +%%Pages: 1 %%PageOrder: Ascend %%DocumentMedia: Default 612 792 0 () () %%Orientation: Portrait @@ -14,7 +14,7 @@ %%PageMedia: Default %%EndDefaults %%BeginProlog -%%BeginResource: procset grops 1.22 4 +%%BeginResource: procset grops 1.23 0 %!PS-Adobe-3.0 Resource-ProcSet /setpacking where{ pop @@ -22,6 +22,7 @@ currentpacking true setpacking }if /grops 120 dict dup begin +% The ASCII code of the space character. /SC 32 def /A/show load def /B{0 SC 3 -1 roll widthshow}bind def @@ -43,16 +44,18 @@ true setpacking /R{moveto 0 SC 3 -1 roll widthshow}bind def /S{moveto 0 exch ashow}bind def /T{moveto 0 exch 0 SC 5 2 roll awidthshow}bind def +% name size font SF - /SF{ findfont exch [exch dup 0 exch 0 exch neg 0 0]makefont dup setfont [exch/setfont cvx]cvx bind def }bind def +% name a c d font MF - /MF{ findfont [5 2 roll -0 3 1 roll +0 3 1 roll % b neg 0 0]makefont dup setfont [exch/setfont cvx]cvx bind def @@ -61,13 +64,19 @@ dup setfont /RES 0 def /PL 0 def /LS 0 def +% Enable manual feed. +% MANUAL - /MANUAL{ statusdict begin/manualfeed true store end }bind def +% Guess the page length. +% This assumes that the imageable area is vertically centered on the page. +% PLG - length /PLG{ gsave newpath clippath pathbbox grestore exch pop add exch pop }bind def +% BP - /BP{ /level0 save def 1 setlinecap @@ -85,47 +94,61 @@ LS{ level0 restore showpage }def +% centerx centery radius startangle endangle DA - /DA{ newpath arcn stroke }bind def +% x y SN - x' y' +% round a position to nearest (pixel + (.25,.25)) /SN{ transform .25 sub exch .25 sub exch round .25 add exch round .25 add exch itransform }bind def +% endx endy startx starty DL - +% we round the endpoints of the line, so that parallel horizontal +% and vertical lines will appear even /DL{ SN moveto SN lineto stroke }bind def +% centerx centery radius DC - /DC{ newpath 0 360 arc closepath }bind def /TM matrix def +% width height centerx centery DE - /DE{ TM currentmatrix pop translate scale newpath 0 0 .5 0 360 arc closepath TM setmatrix }bind def +% these are for splines /RC/rcurveto load def /RL/rlineto load def /ST/stroke load def /MT/moveto load def /CL/closepath load def +% fill the last path +% r g b Fr - /Fr{ setrgbcolor fill }bind def +% c m y k Fk - /setcmykcolor where{ pop /Fk{ setcmykcolor fill }bind def }if +% g Fg - /Fg{ setgray fill }bind def +% fill with the "current color" /FL/fill load def /LW/setlinewidth load def /Cr/setrgbcolor load def @@ -134,6 +157,7 @@ pop /Ck/setcmykcolor load def }if /Cg/setgray load def +% new_font_name encoding_vector old_font_name RE - /RE{ findfont dup maxlength 1 index/FontName known not{1 add}if dict begin @@ -148,6 +172,7 @@ dup/FontName exch def currentdict end definefont pop }bind def /DEFS 0 def +% hpos vpos EBEGIN - /EBEGIN{ moveto DEFS begin @@ -155,11 +180,13 @@ DEFS begin /EEND/end load def /CNT 0 def /level1 0 def +% llx lly newwid wid newht ht newllx newlly PBEGIN - /PBEGIN{ /level1 save def translate div 3 1 roll div exch scale neg exch neg exch translate +% set the graphics state to default values 0 setgray 0 setlinecap 1 setlinewidth @@ -178,6 +205,10 @@ newpath /CNT countdictstack def userdict begin /showpage{}def +% +% Any included setpagedevice should be ignored. +% See: http://www.w-beer.de/doc/ps/. +% /setpagedevice{}def mark }bind def @@ -197,9 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