bug#10707: 24.0.93; next-error jumps to wrong location for rgrep buffers

[Andreas Schwab]

Helmut Eller <eller.helmut@gmail.com> writes:

> Here the file test.txt:
>
> --- start ---
> /* This file is part of the core Lisp implementation, and thus must
>    deal with the real data structures.  If the Lisp implementation is
>    replaced, this file likely will not be used.  */
>
> #include "termhooks.h"                /* For struct terminal.  */
> #define MARK_STRING(S)                ((S)->size |= ARRAY_MARK_FLAG)
> #define UNMARK_STRING(S)      ((S)->size &= ~ARRAY_MARK_FLAG)
> #define STRING_MARKED_P(S)    (((S)->size & ARRAY_MARK_FLAG) != 0)
>
> #define VECTOR_MARK(V)                ((V)->header.size |= ARRAY_MARK_FLAG)
> #define VECTOR_UNMARK(V)      ((V)->header.size &= ~ARRAY_MARK_FLAG)
> #define VECTOR_MARKED_P(V)    (((V)->header.size & ARRAY_MARK_FLAG) != 0)
> --- end ---
>
> The output in my *grep* buffer looks so
>
> -*- mode: grep; default-directory: "/tmp/" -*-
> Grep started at Fri Feb  3 10:29:04
>
> find . -type d \( -path \*/SCCS -o -path \*/RCS -o -path \*/CVS -o -path 
> \*/MCVS -o -path \*/.svn -o -path \*/.git -o -path \*/.hg -o -path \*/.bzr -o 
> -path \*/_MTN -o -path \*/_darcs -o -path \*/\{arch\} \) -prune -o \( -name 
> .\#\* -o -name \*.o -o -name \*\~ -o -name \*.bin -o -name \*.lbin -o -name 
> \*.so -o -name \*.a -o -name \*.ln -o -name \*.blg -o -name \*.bbl -o -name 
> \*.elc -o -name \*.lof -o -name \*.glo -o -name \*.idx -o -name \*.lot -o 
> -name \*.fmt -o -name \*.tfm -o -name \*.class -o -name \*.fas -o -name 
> \*.lib -o -name \*.mem -o -name \*.x86f -o -name \*.sparcf -o -name \*.dfsl 
> -o -name \*.pfsl -o -name \*.d64fsl -o -name \*.p64fsl -o -name \*.lx64fsl -o 
> -name \*.lx32fsl -o -name \*.dx64fsl -o -name \*.dx32fsl -o -name \*.fx64fsl 
> -o -name \*.fx32fsl -o -name \*.sx64fsl -o -name \*.sx32fsl -o -name 
> \*.wx64fsl -o -name \*.wx32fsl -o -name \*.fasl -o -name \*.ufsl -o -name 
> \*.fsl -o -name \*.dxl -o -name \*.lo -o -name \*.la -o -name \*.gmo -o -name 
> \*.mo -o -name \*.toc -o -name \*.aux -o -name \*.cp -o -name \*.fn -o -name 
> \*.ky -o -name \*.pg -o -name \*.tp -o -name \*.vr -o -name \*.cps -o -name 
> \*.fns -o -name \*.kys -o -name \*.pgs -o -name \*.tps -o -name \*.vrs -o 
> -name \*.pyc -o -name \*.pyo \) -prune -o  -type f \( -name test.txt \) -exec 
> grep -i -nH -e struct {} +
> ./test.txt:3:   deal with the real data structures.  If the Lisp 
> implementation is

Why line 3?  The text is on line 2.

Andreas.

-- 
Andreas Schwab, schwab@linux-m68k.org
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"And now for something completely different."