Finally, a simple example of a mystery
- To: mathgroup at smc.vnet.net
- Subject: [mg54040] Finally, a simple example of a mystery
- From: Steve Gray <stevebg at adelphia.net>
- Date: Tue, 8 Feb 2005 05:31:31 -0500 (EST)
- Sender: owner-wri-mathgroup at wolfram.com
I have this one-line function definition. It was working well until just now when I opened the file and did Kernel > EvaluateNotebook, which caused some complaints. I had the function name highlighted in yellow and for some reason when I inspected this line, there was a small "space" visible between the e and x in topvertex. (The font is my normal Courier New and the size is 12 points.) When I edited the space out, everything worked. These two lines are in a cell by themselves. Could the highlighting be the problem? Has anyone else seen something like this? I have had similar things many times before, but I don't recall whether I had highlighting there or not. I'm using 5.0.1.0. When I save the fixed file and reopen it, the same psuedo-space appears. By the way, the cursor skips over this space as if it were not there, but if I delete and retype the e or x, it's ok. topvertex[gon_] := Ordering[-Transpose[gon][[2]]] [[1]]; (* Returns # of highest vertex, e.g. 6 for ggon. *) This section of the plaintext file follows. Note that "topverte" and "x" are separated by a color callout. It looks like this gets in the way somehow. But I like to color the functions I define and their calls, for clarity. Cell[BoxData[ RowBox[{ RowBox[{ RowBox[{ StyleBox[ RowBox[{ StyleBox["topverte", Background->RGBColor[1, 1, 0]], StyleBox["x", Background->RGBColor[1, 1, 0]]}]], StyleBox["[", Background->RGBColor[1, 1, 0]], StyleBox["gon_", Background->RGBColor[1, 1, 0]], StyleBox["]", Background->RGBColor[1, 1, 0]]}], ":=", \(\(Ordering[\(-\(Transpose[gon]\)[\([2]\)]\)]\)\ [\([1]\)]\)}], ";", " ", StyleBox[\( (*\ Returns\ #\ of\ highest\ vertex, \ e . g . \ 6\ for\ \(\(ggon\)\(.\)\)\ *) \), FontColor->RGBColor[0, 0, 1]]}]], "Input", Background->RGBColor[1, 1, 0.756863]], Steve Gray
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