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-rw-r--r--pnmconvol.html16
1 files changed, 8 insertions, 8 deletions
diff --git a/pnmconvol.html b/pnmconvol.html
index f7a87f54..61d2ffbf 100644
--- a/pnmconvol.html
+++ b/pnmconvol.html
@@ -128,15 +128,15 @@ matrix has one weight for red, one for green, and one for blue.
 <p>Here are examples of a <b>-matrix</b> option:
 
 <pre>
-<tt>
+<kbd>
     -matrix=0,.2,0;.2,.2,.2;0,.2,0
-</tt>
+</kbd>
 </pre>
 
 <pre>
-<tt>
+<kbd>
     -matrix=-1,3,-1
-</tt>
+</kbd>
 </pre>
 
 
@@ -169,13 +169,13 @@ option.  Or specify a list of them, one for each plane of the image.
 <p>Examples:
 
 <pre>
-<tt>
+<kbd>
     -matrixfile=mymatrix
-</tt>
+</kbd>
 
-<tt>
+<kbd>
     -matrixfile=myred,mygreen,myblue
-</tt>
+</kbd>
 </pre>
 
 <p>Each file applies to one plane of the image (e.g. red, green, or blue), in