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1.1 root 1: .TH prtxfont 5G "WH" MARX
2: .SH NAME
3: prtxfont \- character sets for prtx
4: .SH DESCRIPTION
5: .P
6: A font file describes for each character the dots that \fIprtx\fR
7: should use to construct that character.
8: Any character not described in the file is treated as a blank.
9: Only characters 0 through 127 are allowed.
10: .P
11: The first line of a file contains an integer NR giving the number
12: of rows of dots in each character.
13: .P
14: Except for the first each line contains a character designator
15: followed by the description of that character.
16: The character designator is either the character itself or
17: "\n" where n is the octal representation of the character.
18: .P
19: A character description consists of NR strings. Each string
20: consisting of some number of "dot descriptions", and separated
21: from the preceding string or the character designator by spaces.
22: Conceptually a character is formed by placing the strings on
23: top of each, left aligned, with the first on top. For normal
24: size characters each dot description corresponds to a potentially
25: printed dot. For larger characters each description corresponds
26: to several dots and indicates a pattern for the dots.
27: .P
28: The possible dot descriptions are:
29: .TP 10
30: 1
31: Fill in the entire area. This is the only description that causes a
32: dot to be printed at the normal size.
33: .TP 10
34: 0
35: Leave the entire area blank
36: .TP 10
37: a
38: Fill in the upper right hand corner
39: .TP 10
40: b
41: Fill in the lower right hand corner
42: .TP 10
43: c
44: Fill in the lower left hand corner
45: .TP 10
46: d
47: Fill in the upper left hand corner
48: .TP 10
49: A
50: Fill in the the area but leave a wedge blank on the left hand side.
51: The descriptions with omitted wedges are useful for constructing
52: pointed characters. E.g. 'A' might be used at the right hand part
53: of a '>'
54: .TP
55: B
56: Fill in the area but leave a wedge blank at the top.
57: .TP
58: C
59: Fill in the area but leave a wedge blank at the right.
60: .TP
61: D
62: Fill in the area but leave a wedge blank at the bottom.
63: .SH AUTHOR
64: Jerry Schwarz (harpo!jerry)
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