form3norma: removes redundant characters into a character string
In rbsb: set of ancillary functions

Description Usage Arguments Value Examples

Removes redundant characters into a character string. The most immediate use (default) is to transform sequences of " " into a simple " ". More generally, removes all sequences of redu before bef or after aft.

1	form3norma(cha, redu="", bef="", aft="")

`cha`	The character to normalize, can be of length greater than one.
`redu`	The character to remove, single or not.
`bef`	The ante-tag, single or not.
`aft`	The post-tag, single or not.

The transformed character (with the same length than cha.

 rbsb3k("reset"); # only necessary for R checking
 form3norma(" pour voir ");
 form3norma(c(" A > B ", "B > C", "D"), bef=">");
 form3norma(c(" A > B ", "B > C", "D"), bef=">", aft=">");