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doc/Factoids.md: add some more info

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Pragmatic Software 2020-06-01 17:18:10 -07:00
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@ -397,8 +397,8 @@ Modifier | Description
`:<channel>` | Looks for variable in `<channel>` first; use `global` to refer to the global channel. This modifier must be the first modifier when chained with other modifiers.
`:index(n)` | Selects the `n`th element from the `$variable` list.
`:pick(x)` | Selects `x` count of random elements.
`:pick(x,y)` | Selects between `x` and `y`, inclusive, count of random elements.
`:pick_unique(x,y)` | Selects between `x` and `y`, inclusive, count of random elements without any repeated selections.
`:pick(x,y)` | Selects between `x` and `y`, inclusive, count of random elements. `x` may be `0` to occasionally pick no value. In this case the `$variable` and any leading whitespace will be stripped.
`:pick_unique(x,y)` | Selects between `x` and `y`, inclusive, count of random elements without any repeated selections. `x` may be `0` to occasionally pick no value. In this case the `$variable` and any leading whitespace will be stripped.
Text modifiers alter the selected values.
@ -425,10 +425,10 @@ Modifier | Description
`:enumerate` | Converts a selected list to a comma-separated list with `and` replacing the final comma.
<pragma-> !echo $colors:pick(5):comma
<PBot> red, yellow, blue, dark purple, orange
<PBot> red, bright yellow, blue, dark purple, orange
<pragma-> !echo $colors:pick(5):enumerate
<PBot> blue, green, pink, orange and yellow
<PBot> blue, green, dark purple, orange and bright yellow
## action_with_args
You can use the [`factset`](#factset) command to set a special [factoid metadata](#factoid-metadata) key named `action_with_args` to trigger an alternate message if an argument has been supplied.