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| author | Fred Drake <fdrake@acm.org> | 2001-01-09 21:38:16 (GMT) |
|---|---|---|
| committer | Fred Drake <fdrake@acm.org> | 2001-01-09 21:38:16 (GMT) |
| commit | 347a62505c34f17c8fc6eac1197ba5c7654dd6e4 (patch) | |
| tree | e5b686035cf92b47f7a349b3a788bbb45fd674dd /Doc | |
| parent | d5f0198dece0946a882316684e70c9974015286b (diff) | |
| download | cpython-347a62505c34f17c8fc6eac1197ba5c7654dd6e4.zip cpython-347a62505c34f17c8fc6eac1197ba5c7654dd6e4.tar.gz cpython-347a62505c34f17c8fc6eac1197ba5c7654dd6e4.tar.bz2 | |
Steve Holden <sholden@holdenweb.com>:
Clarify the handling of characters following backslashes in raw strings.
Diffstat (limited to 'Doc')
| -rw-r--r-- | Doc/ACKS | 1 | ||||
| -rw-r--r-- | Doc/ref/ref2.tex | 26 |
2 files changed, 14 insertions, 13 deletions
@@ -63,6 +63,7 @@ Konrad Hinsen Stefan Hoffmeister Albert Hofkamp Gregor Hoffleit +Steve Holden Gerrit Holl Rob Hooft Brian Hooper diff --git a/Doc/ref/ref2.tex b/Doc/ref/ref2.tex index 43e508e..d1503b4 100644 --- a/Doc/ref/ref2.tex +++ b/Doc/ref/ref2.tex @@ -372,19 +372,19 @@ important to note that the escape sequences marked as ``(Unicode only)'' in the table above fall into the category of unrecognized escapes for non-Unicode string literals. -When an `r' or `R' prefix is present, backslashes are still used to -quote the following character, but \emph{all backslashes are left in -the string}. For example, the string literal \code{r"\e n"} consists -of two characters: a backslash and a lowercase `n'. String quotes can -be escaped with a backslash, but the backslash remains in the string; -for example, \code{r"\e""} is a valid string literal consisting of two -characters: a backslash and a double quote; \code{r"\e"} is not a value -string literal (even a raw string cannot end in an odd number of -backslashes). Specifically, \emph{a raw string cannot end in a single -backslash} (since the backslash would escape the following quote -character). Note also that a single backslash followed by a newline -is interpreted as those two characters as part of the string, -\emph{not} as a line continuation. +When an `r' or `R' prefix is present, a character following a +backslash is included in the string without change, and \emph{all +backslashes are left in the string}. For example, the string literal +\code{r"\e n"} consists of two characters: a backslash and a lowercase +`n'. String quotes can be escaped with a backslash, but the backslash +remains in the string; for example, \code{r"\e""} is a valid string +literal consisting of two characters: a backslash and a double quote; +\code{r"\e"} is not a value string literal (even a raw string cannot +end in an odd number of backslashes). Specifically, \emph{a raw +string cannot end in a single backslash} (since the backslash would +escape the following quote character). Note also that a single +backslash followed by a newline is interpreted as those two characters +as part of the string, \emph{not} as a line continuation. \subsection{String literal concatenation\label{string-catenation}} |