some variables not referenced in another translation unit made static
Also adds some cross-refence comments for some variables that are referenced in another translation unit.
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@@ -95,7 +95,7 @@ static char *opttext[MAXOPT] = { 0 };
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((void) ((idxopttext < MAXOPT) \
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? (opttext[idxopttext++] = dupstr(line)) \
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: 0))
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char optbuf[COLBUFSZ];
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static char optbuf[COLBUFSZ];
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static struct version_info version;
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static const char opt_indent[] = " ";
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