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.TH "UNWRAPDIFF" 1 "17 January 2003" "patchutils" ""
.SH NAME
unwrapdiff \- demangle word-wrapped patches
.SH "SYNOPSIS"
.ad l
.hy 0
.HP 11
\fBunwrapdiff\fR [\-v] [\fIfile\fR...]
.ad
.hy
.ad l
.hy 0
.HP 11
\fBunwrapdiff\fR {\fB\-\-help\fR | \fB\-\-version\fR}
.ad
.hy

.SH "DESCRIPTION"

.PP
\fBunwrapdiff\fR demangles patches that have been word\-wrapped, in an attempt to make them useful\&.

.PP
The corrected diff is sent to standard output\&. Note that you will probably need to use the \fB\-l\fR option when applying the patch, in order to ignore any whitespace differences there may be\&.

.SH "OPTIONS"

.TP
\fB\-v\fR
Verbose operation\&. A list of lines that are modified in a way that might be wrong is sent to stderr\&.

.TP
\fB\-\-help\fR
Display a short usage message\&.

.TP
\fB\-\-version\fR
Display the version number of unwrapdiff\&.

.SH "LIMITATIONS"

.PP
Some heuristics are used to decide whether use a space to recombine a wrapped line, or just join them together\&. Currently this is done by comparing with last three characters of a line with the first two characters of its continuation, and using a space of any of them are different\&.

.PP
The patch needs to have been valid before being word\-wrapped\&.

.PP
The last line of a hunk is nearly always ambiguous\&. If the next line begins ``@@'', ``Index:\~'', ``diff\~'' or ``\-\-\-\~'' then it is taken to be complete; otherwise it is unwrapped using the next line\&.

.SH AUTHOR
Tim Waugh <twaugh@redhat\&.com>.