> I tried to create an otherwise empty pile in eqn:
Troff has the bracket-building function \b'...' which stacks the given characters atop each other, but the result is usually suboptimal, because the stack turns out to be either too big or too small (the vertical spacing is fixed, and for braces you have to use an even number of extensions). (You can see that the original shows something similar: the bottom brace is somewhat smaller relative to the six lines it spans that the top one relative to its four lines. But their font probably has the pieces in smaller-size increments that the fonts available to groff by default. Do you have the originals? Can you tell whether this is offset printing or perhaps even letterpress? Is this from the DDR?) The next best thing you can do is format the braces in tbl as a separate paragraph and simply fiddle with the line spacing manually until the size comes out right. Or position the pieces by hand with the help of \v'...' and \h'...' or \Z'...'. I attach an example using the first approach. The source is not pretty, but the output is a fair approximation to the original, except that the brace endpieces from the Symbol font (version 001.008) are not as nice. (Also, the spacing between the blocks in the original seems somewhat haphazard. And the original does not have an f-i ligature in "Erwachsenenqualifizierung".) For the horizontal brace you would need a font that provides horizontally extensible braces, like TeX's fonts. Otherwise you probably have no option other than some PostScript trickery using device escapes.
.\" tbl .\" ---------------------------------------------------------------- .fp 1 R Times-Roman .fp 2 I Times-Italic .fp 3 B Times-Bold .fp 4 S Symbol .po 2c .ll 21c-4c .sp 2c .ps 12 .vs 14 .TS lI1 l0 cw(-1n)0 l. Elementarstufe I: T{ Kinderkrippen .br usw. (0\(en3 J.) T} T{ .ps 14 .sp 5p \[rt] .sp -9p \[bracerightex] .sp -1p \[rk] .sp -1p \[bracerightex] .sp -9p \[rb] T} T{ als Einrich- .br tungen der .br Vorschul- .br erziehung T} Elementarstufe II: T{ Kindergärten .br usw. (3\(en6 J.) T} \^ \^ .sp .5 Primarstufe: T{ Unterstufe .br (Kl. 1\(en3) T} T{ .ll 8p .ps 14 .sp 5p \[rt] .sp -4p \[bracerightex] .sp -5p \[bracerightex] .sp -1p \[rk] .sp -1p \[bracerightex] .sp -5p \[bracerightex] .sp -4p \[rb] T} T{ der 10klassigen .br allgemein- .br bildenden .br polytechnischen .br Oberschule T} Sekundarstufe I a: T{ Mittelstufe .br (Kl. 4\(en8) T} \^ \^ Sekundarstufe I b: T{ Oberstufe .br (Kl. 9 u. 10) T} \^ \^ .sp .5 .T& lI l s s. Sekundarstufe II: T{ Abiturstufe (Kl. 11 u. 12) .br Einrichtungen der Berufsaus- .br bildung Jugendlicher T} .sp .5 T{ Sekundar- und .br Tertiarstufe: T} T{ Einrichtungen der Aus- und .br Weiterbildung der Werktätigen .br (Erwachsenenqualifizierung) T} .sp .3 Tertiarstufe I: Fachschulwesen .sp .3 Tertiarstufe II: T{ Hochschulwesen inkl. post- .br graduale Weiterbildung und .br \[->] .ft B Akademien\c .ft \&. T} .TE
Schulwesen.pdf
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