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diff -up texlive-base-20180414/source/texk/dvi2tty/dvi2tty-src/DVI.format texlive-base-20180414/source/texk/dvi2tty/dvi2tty-src/DVI
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diff -up texlive-base-20180414/source/texk/dvidvi/dvidvi.c.format texlive-base-20180414/source/texk/dvidvi/dvidvi.c
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--- texlive-base-20180414/source/texk/dvidvi/dvidvi.c.format	2017-06-23 10:55:46.000000000 -0400
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+++ texlive-base-20180414/source/texk/dvidvi/dvidvi.c	2018-04-30 13:07:17.910020544 -0400
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@@ -349,7 +349,7 @@ static void stringdvibuf(integer p, inte
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  *   Print a usage error messsage, and quit.
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  */
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 static void usage(void) {
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-   (void)fprintf(stderr,banner);
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+   (void)fprintf(stderr,"%s",banner);
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    (void)fprintf(stderr,"Usage:  dvidvi [options] input[.dvi] [output]\n");
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    (void)fprintf(stderr,"where options are:\n");
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    (void)fprintf(stderr,"    [-f n] first page printed     [-l n] last page printed\n");
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@@ -828,7 +828,7 @@ default:
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       } /* else argument with '-' */
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    }  /* for */
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    if (*iname == 0) {
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-       (void)fprintf(stderr, banner) ;
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+       (void)fprintf(stderr, "%s", banner) ;
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        error("! no input file specified");
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    }
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    /* Inserted by djc@dsmail.hmi.de 3.8.1994 */
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@@ -839,7 +839,7 @@ default:
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    }
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    if (*oname != 0 && !quiet) {
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-       (void)fprintf(stderr, banner) ;
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+       (void)fprintf(stderr, "%s", banner) ;
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        (void)fprintf(stderr, "%s -> %s\n",iname,oname);
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        temp = nextstring ;
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    }
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diff -up texlive-base-20180414/source/texk/web2c/tiedir/tie.c.format texlive-base-20180414/source/texk/web2c/tiedir/tie.c
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--- texlive-base-20180414/source/texk/web2c/tiedir/tie.c.format	2016-11-25 13:24:38.000000000 -0500
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+++ texlive-base-20180414/source/texk/web2c/tiedir/tie.c	2018-04-30 13:07:27.792787747 -0400
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@@ -27,14 +27,14 @@
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  \
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 #define term_out stdout
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-#define print(a)fprintf(term_out,a)
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+#define print(a)fprintf(term_out,"%s",a)
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 #define print2(a,b)fprintf(term_out,a,b)
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 #define print3(a,b,c)fprintf(term_out,a,b,c)
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 #define print_c(v)fputc(v,term_out);
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 #define new_line(v)fputc('\n',v)
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 #define term_new_line new_line(term_out) \
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-#define print_ln(v){fprintf(term_out,v);term_new_line;} \
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+#define print_ln(v){fprintf(term_out,"%s",v);term_new_line;} \
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 #define print2_ln(a,b){print2(a,b);term_new_line;}
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 #define print3_ln(a,b,c){print3(a,b,c);term_new_line;} \