## Glissando
For different cases, you can use glissandos in different ways.
### 1. Glissando as a unit attribute
If you need a glissando to be finished after a measure, you just need to type as follows:
You can set a direction and also explicitly say that a glissando finishes after a measure:
In a similar way, you can say that a glissando starts before a measure:
You can also specify a measure number that glissando starts before or finishes after. The important thing is that those measures cannot be empty:
### 2. Glissando as a separate command
In order to connect two notes/chords, you need to use glissando as a separate command:
Glissandos like slurs are cross-measure elements:
Glissando also can connect units on different staves:
You can also declare glissandos that start before measure or ends after measure:
You can also set a form for glissando. You can explicitly say that it's a `wave` or `line`:
Unit coordinates for glissando work absolutely in the same way as for slurs:
1. If a `line` is not specified after `glissando` key word, then it applies to the last declared line before `glissando`.
2. If you don't specify `measure`, `stave` and `voice` after `glissando` key word, it always assumes that you mean `first measure`, `first stave` and `first voice`.
3. You can specify only `measure` and `stave` coordinates along with `unit` coordinate(like `first note in first measure, in second stave`). You cannot set `voice` along with `unit` coordinate, only right after `glissando` key word to set a voice to whole glissando, because glissandos are not cross-voice elements. And you cannot set `line` coordinate along with `unit` coordinate, because each glissando or a part of a glissando must be delcared for each line where it is located. This separation allows of coordinates to set rules on glissandos' behaviour more clearly.
4. If you specified `measure` and `stave` for first unit in a glissando, and those coordinates don't change for other units, then you don't need to repeat them.
The key word `glissando` can be aslo written as `gliss` or `glis.`.
**P.S.:** You can use numbers from 1 to 10 as words. For example, `1` is `first`, or even `1st`. We could've made possible that all numbers can be expressed as words, but unfortunately it would slow down highlighting in the editor and rendering the image. So, it was decided to enable this feature only for numbers from 1 to 10, since majority of times only these numbers are used and moreover it's easier just to type numbers as numbers. But you still can write `11` as `11th`. When you type numbers to declare coordinates (like `line`, `measure`, `stave`, `voice`, `chord/note/unit`), you can put them before or after those key words, like for example: `first measure` or `measure 1`.
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