t* My version of sent
       
   URI git clone git://git.codevoid.de/sent-sdk.git
   DIR Log
   DIR Files
   DIR Refs
   DIR README
   DIR LICENSE
       ---
   DIR commit 616aafdcb9bd336a870d875a20645d8002d8a028
   DIR parent 30192292793f02ca7504a05773d1456fe43db0d9
   URI Author: Markus Teich <markus.teich@stusta.mhn.de>
       Date:   Sat,  6 Feb 2016 14:12:47 +0100
       
       no need to reimplement cat here
       
       Diffstat:
         M README.md                           |       4 ++--
         M sent.c                              |      15 ++++++---------
       
       2 files changed, 8 insertions(+), 11 deletions(-)
       ---
   DIR diff --git a/README.md b/README.md
       t@@ -25,9 +25,9 @@ You can navigate with the arrow keys and quit with `q`.
        
        Usage
        
       -        sent FILE1 [FILE2 ...]
       +        sent FILE
        
       -If one FILE equals `-`, stdin will be read. Produce image slides by prepending a
       +If FILE equals `-`, stdin will be read. Produce image slides by prepending a
        `@` in front of the filename as a single paragraph. Lines starting with `#` will
        be ignored. A `\` at the beginning of the line escapes `@` and `#`. A
        presentation file could look like this:
   DIR diff --git a/sent.c b/sent.c
       t@@ -689,13 +689,12 @@ void
        usage()
        {
                die("sent " VERSION " (c) 2014-2015 markus.teich@stusta.mhn.de\n" \
       -        "usage: sent FILE1 [FILE2 ...]", argv0);
       +        "usage: sent FILE", argv0);
        }
        
        int
        main(int argc, char *argv[])
        {
       -        int i;
                FILE *fp = NULL;
        
                ARGBEGIN {
       t@@ -704,13 +703,11 @@ main(int argc, char *argv[])
                        usage();
                } ARGEND;
        
       -        for (i = 0; i < argc; i++) {
       -                if ((fp = strcmp(argv[i], "-") ? fopen(argv[i], "r") : stdin)) {
       -                        load(fp);
       -                        fclose(fp);
       -                } else {
       -                        die("Unable to open '%s' for reading:", argv[i]);
       -                }
       +        if ((fp = strcmp(argv[0], "-") ? fopen(argv[0], "r") : stdin)) {
       +                load(fp);
       +                fclose(fp);
       +        } else {
       +                die("Unable to open '%s' for reading:", argv[0]);
                }
        
                if (!slidecount)