[xsl] translate function

[abbouh <abbouh@xxxxxxxxxxxxxxxxx>]

is there any restriction i the translate function,
because i try to translate each escape in a sentence to '-'
so i use this instruction:
<xsl:value-of select="translate($caption_title,' ','-')"/>
but it wasn't translated well.
for example:
for <xsl:value-of select="translate('Figure 1.
Répartition des alimentations dans la baie SK (vue avant)',' ','-')"/>
i get:
Figure-1.--Répartition des alimentations dans la baie SK (vue avant)
but i should get :
Figure-1.--Répartition-des-alimentations-dans-la-baie-SK-(vue-avant)



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