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- Column Layout Guidelines
-
- For a page interior 7 inches wide, the following column layouts may
- be considered:
-
- Arrangement 1. <60>column measure=7.0in<62> or <60>column count=1<62>.
- One column 7 inches wide fills the page.
-
- Arrangement 2. <60>column measure=3.25in gutter=0.5in<62> or <60>column
- count=2 gutter=0.5in<62>. Two columns 3-1/4 inches wide, and one 1/2-inch
- gutter fill the page.
-
- Arrangement 3. <60>column measure=2.16in gutter=0.25in<62> or <60>column
- count=3 gutter=0.25in<62>. Three columns 2.16 inches wide, and two 1/4-inch
- gutters fill the page.
-
- While these three arrangements all make efficient use of the available
- space, they will not all produce an equally readable page. Several
- narrow columns are easier to read than one very wide column, provided
- that each column is wide enough to contain a reasonable number of
- words of average length. The proper width for a column therefore depends
- on the type size: in general, the smaller the type, the narrower the
- columns should be. The following table gives the minimum, maximum,
- and optimum (best) line length, in picas (6ths of an inch) for the
- type sizes commonly used.
-
- <ab>Line Length in Picas for Common Type Sizes<xb><qc>
- <include tab.one>
-
- <HS><au>Type Size<xu><HT><au>Minimum<xu><HT><au>Optimum<xu><HT><au>Maximum<xu><HE>
-
- <HS>6<HT>8<HT>10<HT>12<HE>
- <HS>7<HT>8<HT>11<HT>14<HE>
- <HS>8<HT>9<HT>13<HT>16<HE>
- <HS>9<HT>10<HT>14<HT>18<HE>
- <HS>10<HT>13<HT>16<HT>20<HE>
- <HS>11<HT>13<HT>18<HT>22<HE>
- <HS>12<HT>14<HT>21<HT>24<HE>
- <HS>14<HT>18<HT>24<HT>28<HE>
- <HS>16<HT>21<HT>27<HT>32<HE>
- <HS>18<HT>24<HT>30<HT>36<HE>
-
- <ql>
- Text is commonly printed in type sizes in the range of 8 to 12 points.
- From the foregoing table, it is apparent that the 7-inch lines of
- Arrangement 1 are unduly long for type sizes in this range. Arrangement
- 2 is close to the optimum for 12-point type. Arrangement 3 is the
- optimum for 8-point type. For 10-point, either Arrangement 2 or 3
- would be acceptable.
-
- Of course, the values given in the foregoing table (especially for
- maximum line length) should be regarded as guidelines, rather than rigid
- rules. For some documents, it may be necessary to depart from these
- values, for a variety of reasons, even though this will result in some
- loss of readability. For example, the table specifies a maximum line
- length of 4 inches or less for 12-point or smaller type sizes, but
- despite this, some kinds of documents set in 12-point or smaller type
- are routinely formatted in a single full-width column (like Arrangement
- 1) to comply with custom or tradition, or because such a format is
- required by law or government regulation.
-
- <ql>
- Leading (Line Spacing)
-
- In typesetting terminology, <ai>leading<xi> (pronounced ``ledding'')
- refers to the vertical spacing between lines of type, measured from
- baseline of one line to the baseline of the next.
-
- The tag: <60>leading line= para= <62>, where<QL>
- <M>line= defines the inter-line leading or ``line spacing'',
- and<QL>
- <M>para= defines the inter-paragraph leading or ``paragraph
- spacing'',<QL>
- is used to define the vertical spacing between lines and paragraphs.
- This tag takes effect at at the end of the current output line. Any
- unit of measurment accepted by the Publisher may be used in this tag:
- ``points'' (72nds of an inch, abbreviated ``pt'') is the most commonly
- used.
-
- Line leading is space between output lines, measured from baseline
- to baseline. Paragraph leading is an extra amount of vertical space
- added between paragraphs. The last line of one paragraph and the first
- line of the next paragraph are separated by the normal line leading
- plus the paragraph leading (measured from baseline to baseline).
-
- The amount of leading used is to some extent a matter of style: however,
- it must be sufficient to ensure that the descenders of one line do
- not overlap the capital letters or ascenders of the next line, and
- if underlining is being used in the text, additional leading may be
- needed to accommodate it. The amount of leading needed obviously depends
- on the point size of the type. It may also depend on the typeface:
- some styles have longer ascenders and descenders than others.
-
- The following table provides guidelines for the appropriate leading
- for various type sizes.
-
- <ab>Line Leading in Points for Common Type Sizes<xb><qc>
- <include tab.one>
-
- <HS><au>Type Size<xu><HT><au>Minimum<xu><HT><au>Optimum<xu><HT><au>Maximum<xu><HE>
-
- <HS>6<HT>6<HT>7<HT>7<HE>
- <HS>7<HT>7<HT>8<HT>8.5<HE>
- <HS>8<HT>8<HT>9.5<HT>10<HE>
- <HS>9<HT>9<HT>11<HT>12<HE>
- <HS>10<HT>10<HT>12<HT>13<HE>
- <HS>11<HT>12<HT>13<HT>14<HE>
- <HS>12<HT>14<HT>15<HT>16<HE>
- <HS>14<HT>17<HT>18<HT>20<HE>
- <HS>16<HT>20<HT>20<HT>22<HE>
- <HS>18<HT>23<HT>23<HT>24<HE>
-
- <ql>
- When the type size changes from one line to the next, a minimum value
- for the leading between the two lines may be calculated as 1/3 the
- minimum leading for the point size of the first line, <ai>plus<xi> 2/3
- the minimum leading for the point size of the second line. Example: If
- one line is in 6-point type and the next line is in 9-point, the minimum
- leading between the two lines should be 1/3 x 6 + 2/3 x 9 = 8 points. If
- the calculated value includes a fraction, it is prudent to round it up
- to the next point; for example the calculation of the minimum leading
- between a line of 12-point type and a following line of 10-point is 1/3
- x 14 + 2/3 x 10 = 11-1/3 points, so a leading of at least 12 points
- should be used.
-
- <ql>
- General Comments
-
- To some extent, choosing a page layout is a matter of personal
- preference: different people have different ideas about how a page
- should look. However, some general guidelines can be given for
- producing pages of text which most readers will find attractive and easy
- to read. (These guidelines do not necessarily apply to specialized forms
- of document, such as advertisements.)
-
- The first general rule is to refrain from trying to crowd too much text
- into a page. The use of unduly narrow margins and gutters, minimum line
- leading, etc., results in a page which looks cramped and hard to read.
- If you need to get more text on a page, it is usually better to choose a
- smaller point size of type (as long as it is not <ai>too<xi> small),
- with adequate margins, leading, etc..
-
- The second rule is to avoid using too many different sizes, styles and
- weights of type. The Shareware Edition of the Rubicon Publisher includes
- two complete typeface families comprising 36 individual fonts (and other
- Editions provide a larger selection), but this does not mean that you
- should be using them all in the same document! Frequent font changes may
- be eye-catching, and suitable for advertising layouts, but a page of
- ordinary text with too many font changes simply looks confusing.
-
- Finally, print enhancements<L->bold face, italics, and
- underlining<L->should be used sparingly. They are normally used to
- distinguish the enhanced text from the main text, for emphasis or for
- some other purpose, but the effect is lost if they are used too often.
- If too much of the text is enhanced, the enhanced parts fail to stand
- out. This is true even in advertising layouts: If everything is
- emphasized, nothing is emphasized.
-