+ call <SID>Prep_Signs()
+
+ let b:signdot = <SID>Place_Sign(0, line("'."), b:signdot, "MarkDot")
+ let b:signdash = <SID>Place_Sign(1, line("''"), b:signdash, "MarkDash")
+ let b:signquote = <SID>Place_Sign(2, line("'\""), b:signquote, "MarkQuote")
+ let b:signcaret = <SID>Place_Sign(3, line("'^"), b:signcaret, "MarkCaret")
+ let b:signless = <SID>Place_Sign(4, line("'<"), b:signcaret, "MarkLess")
+ let b:signgreater = <SID>Place_Sign(5, line("'>"), b:signcaret, "MarkGreater")
+ let b:signleft = <SID>Place_Sign(6, line("'["), b:signcaret, "MarkLeft")
+ let b:signright = <SID>Place_Sign(7, line("']"), b:signcaret, "MarkRight")
+
+ let b:signa = <SID>Place_Sign(8, line("'a"), b:signa, "Marka")
+ let b:signb = <SID>Place_Sign(9, line("'b"), b:signb, "Markb")
+ let b:signc = <SID>Place_Sign(10, line("'c"), b:signc, "Markc")
+ let b:signd = <SID>Place_Sign(11, line("'d"), b:signd, "Markd")
+ let b:signe = <SID>Place_Sign(12, line("'e"), b:signe, "Marke")
+ let b:signf = <SID>Place_Sign(13, line("'f"), b:signf, "Markf")
+ let b:signA = <SID>Place_Sign(14, line("'A"), b:signA, "MarkA")
+ let b:signB = <SID>Place_Sign(15, line("'B"), b:signB, "MarkB")
+ let b:signC = <SID>Place_Sign(16, line("'C"), b:signC, "MarkC")
+ let b:signD = <SID>Place_Sign(17, line("'D"), b:signD, "MarkD")
+ let b:signE = <SID>Place_Sign(18, line("'E"), b:signE, "MarkE")
+ let b:signF = <SID>Place_Sign(19, line("'F"), b:signF, "MarkF")
+endfun
+
+" Toggle signs.
+fun! <SID>Cycle_Signs(resize)
+ if ! has("signs")
+ return
+ endif
+ call Iain_Vars()
+ let g:marksigns = ! g:marksigns
+
+ if g:marksigns
+ " Signs to highlight marks.
+ " Syntax won't work properly in Vim 6.
+ sign define MarkDash text=' texthl=MarkSign
+ sign define MarkDot text=* texthl=MarkDot
+ sign define MarkQuote text=" texthl=MarkSign
+ sign define MarkCaret text=^ texthl=MarkSign
+ sign define MarkLess text=< texthl=MarkSign
+ sign define MarkGreater text=> texthl=MarkSign
+ sign define MarkLeft text=[ texthl=MarkSign
+ sign define MarkRight text=] texthl=MarkSign
+ sign define Marka text=a texthl=MarkSign linehl=MarkLine
+ sign define Markb text=b texthl=MarkSign linehl=MarkLine
+ sign define Markc text=c texthl=MarkSign linehl=MarkLine
+ sign define Markd text=d texthl=MarkSign linehl=MarkLine
+ sign define Marke text=e texthl=MarkSign linehl=MarkLine
+ sign define Markf text=f texthl=MarkSign linehl=MarkLine
+ sign define MarkA text=A texthl=MarkSign linehl=MarkLine
+ sign define MarkB text=B texthl=MarkSign linehl=MarkLine
+ sign define MarkC text=C texthl=MarkSign linehl=MarkLine
+ sign define MarkD text=D texthl=MarkSign linehl=MarkLine
+ sign define MarkE text=E texthl=MarkSign linehl=MarkLine
+ sign define MarkF text=F texthl=MarkSign linehl=MarkLine
+
+ if a:resize
+ call Resize_Columns("+", 2)
+ endif
+ call <SID>Highlight_Signs()
+ else
+ exe "sign unplace " . (g:firstsign + 0)
+ exe "sign unplace " . (g:firstsign + 1)
+ exe "sign unplace " . (g:firstsign + 2)
+ exe "sign unplace " . (g:firstsign + 3)
+ exe "sign unplace " . (g:firstsign + 4)
+ exe "sign unplace " . (g:firstsign + 5)
+ exe "sign unplace " . (g:firstsign + 6)
+ exe "sign unplace " . (g:firstsign + 7)
+ exe "sign unplace " . (g:firstsign + 8)
+ exe "sign unplace " . (g:firstsign + 9)
+ exe "sign unplace " . (g:firstsign + 10)
+ exe "sign unplace " . (g:firstsign + 11)
+ exe "sign unplace " . (g:firstsign + 12)
+ exe "sign unplace " . (g:firstsign + 13)
+ exe "sign unplace " . (g:firstsign + 14)
+ exe "sign unplace " . (g:firstsign + 15)
+ exe "sign unplace " . (g:firstsign + 16)
+ exe "sign unplace " . (g:firstsign + 17)
+ exe "sign unplace " . (g:firstsign + 18)
+ exe "sign unplace " . (g:firstsign + 19)
+
+ sign undefine MarkDash
+ sign undefine MarkDot
+ sign undefine MarkQuote
+ sign undefine MarkCaret
+ sign undefine MarkLess
+ sign undefine MarkGreater
+ sign undefine MarkLeft
+ sign undefine MarkRight
+ sign undefine Marka
+ sign undefine Markb
+ sign undefine Markc
+ sign undefine Markd
+ sign undefine Marke
+ sign undefine Markf
+ sign undefine MarkA
+ sign undefine MarkB
+ sign undefine MarkC
+ sign undefine MarkD
+ sign undefine MarkE
+ sign undefine MarkF
+
+ call <SID>Prep_Signs()
+ if a:resize
+ call Resize_Columns("-", 2)
+ endif
+ endif
+endfun