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Diffstat (limited to 'usr.bin/learn/lib/eqn/L2.1b')
| -rw-r--r-- | usr.bin/learn/lib/eqn/L2.1b | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/usr.bin/learn/lib/eqn/L2.1b b/usr.bin/learn/lib/eqn/L2.1b new file mode 100644 index 00000000000..277f17e41c6 --- /dev/null +++ b/usr.bin/learn/lib/eqn/L2.1b @@ -0,0 +1,50 @@ +#print +Since spaces are thrown away, what do you do when +you want spaces? The answer is that you have to ask for +them explicitly. +If you type a "~" (tilde) it will be replaced by a space +on output; use one tilde for each space. +Thus to get +a + b +you need +.EQ +a~+~b +.EN + +Modify the equation in file "Example" so there is one space +around each of the operators =, + and -, so it looks like + +a = b + c - d + +Print it with neqn and nroff -ms to verify it. +Type "ready" when done. +#once #create Ref +.PP +You probably thought you were done with this ridiculous +example of just +.EQ +a ~=~ +b ~+~ c +~-~d +.EN +Sorry, but you will probably even see it again. +.pl 1 +#once neqn Ref | nroff >X1 & +#once #create Example +.PP +You probably thought you were done with this ridiculous +example of just +.EQ +a = +b + c +-d +.EN +Sorry, but you will probably even see it again. +.pl 1 +#user +neqn Example | nroff >X2 +#cmp X1 X2 +#log +#next +2.1c 10 +2.2b 5 |