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Diffstat (limited to 'usr.bin/learn/lib/eqn/L12.1c')
| -rw-r--r-- | usr.bin/learn/lib/eqn/L12.1c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/usr.bin/learn/lib/eqn/L12.1c b/usr.bin/learn/lib/eqn/L12.1c new file mode 100644 index 00000000000..20bf122ccbd --- /dev/null +++ b/usr.bin/learn/lib/eqn/L12.1c @@ -0,0 +1,44 @@ +#once #create message +.ND +.tr %$ +.EQ +delim $$ +.EN +.LP +Of course the thing with bars or braces around it can +still be part of larger expressions: the input + .EQ + left | {a over b ~+~ c over d} over 2 right | over a+b+c+d + .EN +produces +.EQ +left | {a over b ~+~ c over d} over 2 right | over a+b+c+d +.EN + +For practice, modify file "Example" so it produces output +that looks like this, then type "ready". +.pl 1 +#once #create Ref +.LP +.EQ +left | +{a over b ~+~ c over d} over 2 +right | +sup half +.EN +.pl 1 +#once #create Example +.LP +.EQ +replace me +.EN +.pl 1 +# +#once neqn Ref | nroff >X1 & +#once neqn message Ref | nroff -T$term %s/tinyms - +#user +neqn Example | nroff >X2 +#cmp X1 X2 +#log +#next +12.1d 10 |