Macro Language Reference > PIs > Text > <?thyc>
  
<?thyc>
Description
Sets a basic hyphenation level to specify how strictly hyphenation should be applied.
Syntax
<?thyc hy code:n?
<?thyc>
[no parameter]
Invoke the Hyphenation level dialog box.
hy code
0
Least strict: fit as many characters as possible on a line. Hyphenation will occur whenever text reaches the end of a line, regardless of whether it looks correct or not.
1..4
Increasingly strict: implement increasingly strict hyphenation levels.
5
Normal.
6..8
Increasingly strict: implement increasingly strict hyphenation levels.
9
Most strict: only the most rigorous decisions will be taken for placing hyphens. The most strict option forces PTC ALD to miss out hyphenating opportunities which would probably result in a more evenly spaced line.
10
Off: no attempt at hyphenation will be made. This option also disables any discretionary hyphens that you may have placed in the text.
11
Simple hyphenation: ignore PTC ALD normal method of comparing each previous line to the current line to see if the lines are not too far apart in terms of loose or tight fit.PTC ALD will scan back as far as the beginning of the last paragraph and readjust the letter, word fit and hyphenation to achieve a more aesthetic appearance. With simple hyphenation each line is considered individually and no scanning of previous lines will occur. Simple hyphenation works by looking at all valid hyphenation points and choosing the last one possible, so that as much of the word as possible will still fit on the line.
12
Single word only: hyphenate when a single word will not fit on a line. PTC ALD will only hyphenate a word if it is wider than the measure of the text frame or line.
Additional Information
 
Hyphenation levels are not the same as Computer Hyphenation (CH) numbers. When PTC ALD considers a word for breaking for each position that is allowed to break and will fit, it uses a scoring system that takes the following into account:
The CH number.
The hyphenation level.
How much word space extra/squash is needed?
Is the last line loose (extra word space added)?
If you create your own hyphenation exception dictionary, then you should use CH numbers.
* 
For more information on defining a hyphenation dictionary, see the command <?thye>.
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