Mark up code examples with (start|end code)

This makes the code better readable in the sources, and we get syntax
highlighting in the generated HTML wherever we want it (i.e. not necessarily
always as with `-hl all`).

1 files changed, 46 insertions, 44 deletions

diff --git a/src/gd_gif_out.c b/src/gd_gif_out.c
index c35db28..6fe707d 100644
--- a/src/gd_gif_out.c
+++ b/src/gd_gif_out.c
@@ -540,50 +540,52 @@ BGD_DECLARE(void *) gdImageGifAnimAddPtr(gdImagePtr im, int *size, int LocalCM,
     Nothing.
 
   Example:
-
-    > {
-    > gdImagePtr im, im2, im3;
-    > int black, white, trans;
-    > FILE *out;
-    >
-    > im = gdImageCreate(100, 100);     // Create the image 
-    > white = gdImageColorAllocate(im, 255, 255, 255); // Allocate background
-    > black = gdImageColorAllocate(im, 0, 0, 0); // Allocate drawing color 
-    > trans = gdImageColorAllocate(im, 1, 1, 1); // trans clr for compression 
-    > gdImageRectangle(im, 0, 0, 10, 10, black); // Draw rectangle 
-    >
-    > out = fopen("anim.gif", "wb");// Open output file in binary mode
-    > gdImageGifAnimBegin(im, out, 1, 3);// Write GIF hdr, global clr map,loops
-    > // Write the first frame.  No local color map.  Delay = 1s 
-    > gdImageGifAnimAdd(im, out, 0, 0, 0, 100, 1, NULL);
-    >
-    > // construct the second frame 
-    > im2 = gdImageCreate(100, 100);
-    > (void)gdImageColorAllocate(im2, 255, 255, 255); // White background
-    > gdImagePaletteCopy (im2, im);  // Make sure the palette is identical
-    > gdImageRectangle(im2, 0, 0, 15, 15, black);    // Draw something 
-    > // Allow animation compression with transparent pixels 
-    > gdImageColorTransparent (im2, trans);
-    > gdImageGifAnimAdd(im2, out, 0, 0, 0, 100, 1, im);  // Add second frame 
-    >
-    > // construct the third frame 
-    > im3 = gdImageCreate(100, 100);
-    > (void)gdImageColorAllocate(im3, 255, 255, 255); // white background
-    > gdImagePaletteCopy (im3, im); // Make sure the palette is identical
-    > gdImageRectangle(im3, 0, 0, 15, 20, black); // Draw something 
-    > // Allow animation compression with transparent pixels 
-    > gdImageColorTransparent (im3, trans);
-    > // Add the third frame, compressing against the second one 
-    > gdImageGifAnimAdd(im3, out, 0, 0, 0, 100, 1, im2);
-    > gdImageGifAnimEnd(out);  // End marker, same as putc(';', out);
-    > fclose(out); // Close file 
-    >
-    > // Destroy images 
-    > gdImageDestroy(im);
-    > gdImageDestroy(im2);
-    > gdImageDestroy(im3);
-    > }
-
+    (start code)
+
+    {
+    gdImagePtr im, im2, im3;
+    int black, white, trans;
+    FILE *out;
+    
+    im = gdImageCreate(100, 100);     // Create the image
+    white = gdImageColorAllocate(im, 255, 255, 255); // Allocate background
+    black = gdImageColorAllocate(im, 0, 0, 0); // Allocate drawing color
+    trans = gdImageColorAllocate(im, 1, 1, 1); // trans clr for compression
+    gdImageRectangle(im, 0, 0, 10, 10, black); // Draw rectangle
+    
+    out = fopen("anim.gif", "wb");// Open output file in binary mode
+    gdImageGifAnimBegin(im, out, 1, 3);// Write GIF hdr, global clr map,loops
+    // Write the first frame.  No local color map.  Delay = 1s
+    gdImageGifAnimAdd(im, out, 0, 0, 0, 100, 1, NULL);
+    
+    // construct the second frame
+    im2 = gdImageCreate(100, 100);
+    (void)gdImageColorAllocate(im2, 255, 255, 255); // White background
+    gdImagePaletteCopy (im2, im);  // Make sure the palette is identical
+    gdImageRectangle(im2, 0, 0, 15, 15, black);    // Draw something
+    // Allow animation compression with transparent pixels
+    gdImageColorTransparent (im2, trans);
+    gdImageGifAnimAdd(im2, out, 0, 0, 0, 100, 1, im);  // Add second frame
+    
+    // construct the third frame
+    im3 = gdImageCreate(100, 100);
+    (void)gdImageColorAllocate(im3, 255, 255, 255); // white background
+    gdImagePaletteCopy (im3, im); // Make sure the palette is identical
+    gdImageRectangle(im3, 0, 0, 15, 20, black); // Draw something
+    // Allow animation compression with transparent pixels
+    gdImageColorTransparent (im3, trans);
+    // Add the third frame, compressing against the second one
+    gdImageGifAnimAdd(im3, out, 0, 0, 0, 100, 1, im2);
+    gdImageGifAnimEnd(out);  // End marker, same as putc(';', out);
+    fclose(out); // Close file
+    
+    // Destroy images
+    gdImageDestroy(im);
+    gdImageDestroy(im2);
+    gdImageDestroy(im3);
+    }
+
+    (end code)
 */
 
 BGD_DECLARE(void) gdImageGifAnimAdd(gdImagePtr im, FILE *outFile, int LocalCM,