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Diffstat (limited to 'doc/gawktexi.in')
| -rw-r--r-- | doc/gawktexi.in | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/doc/gawktexi.in b/doc/gawktexi.in index e2e2a034..2ed967fb 100644 --- a/doc/gawktexi.in +++ b/doc/gawktexi.in @@ -5002,6 +5002,7 @@ of hexadecimal digits (@samp{0}--@samp{9}, and either @samp{A}--@samp{F} or @samp{a}--@samp{f}). A maximum of two digts are allowed after the @samp{\x}. Any further hexadecimal digits are treated as simple letters or numbers. @value{COMMONEXT} +(The @samp{\x} escape sequence is not allowed in POSIX awk.) @quotation CAUTION In ISO C, the escape sequence continues until the first nonhexadecimal @@ -5010,7 +5011,10 @@ digit is seen. For many years, @command{gawk} would continue incorporating hexadecimal digits into the value until a non-hexadecimal digit or the end of the string was encountered. -However, using more than two hexadecimal digits produces +However, using more than two hexadecimal digits produced +undefined results. +As of @value{PVERSION} @strong{FIXME:} 4.3.0, only two digits +are processed. @end quotation @cindex @code{\} (backslash), @code{\/} escape sequence |