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# the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
#
#----------------------------------------------------------------------
# $Revision$
#----------------------------------------------------------------------
# Helpers, replace with sugar macros or mathops if available in 8.5
proc + {a b} { expr {$a + $b} }
proc - {a b} { expr {$a - $b} }
set res [string range $res 0 [expr {$maxlen - 1}]]
set res [string range $res 0 [- $maxlen 1]]
}
}
if {[string length $res] < $maxlen} {
set res [format "%*s" $maxlen $res]
}
return $res
}
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if {[string index $value end] eq "\n"} {
set newline 1
set value [string trimright $value "\n"]
}
set len [string length $value]
while {$chars + $len > $wraplength} {
set wrap [expr {$wraplength - $chars}]
set val1 [string range $value 0 [expr {$wrap - 1}]]
set val1 [string range $value 0 [- $wrap 1]]
set value [string range $value $wrap end]
# The newline has its own element to simplify finding
# it later.
lappend line $val1 $tag "\n" {} $linepad {}
set chars $maxlen
incr wrapc
set len [string length $value]
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