On 13-07-28 1:55 PM, Henrik Bengtsson wrote:
On Sun, Jul 28, 2013 at 10:22 AM, Henrik Bengtsson <h...@biostat.ucsf.edu> 
wrote:
On Windows, the following crashes "R for Windows terminal front-end":

R -e ""

whereas

Rterm -e "" or R -e " " (a space in the expression) doesn't.

I observe this on:

- R Under development (unstable) (2013-07-26 r63419) [Platform:
x86_64-w64-mingw32/x64 (64-bit)]
- R version 3.0.1 Patched (2013-07-25 r63414) [Platform:
x86_64-w64-mingw32/x64 (64-bit)]
- R version 3.0.1 (2013-05-16) [Platform: x86_64-w64-mingw32/x64 (64-bit)]
- R version 2.15.3 Patched (2013-03-13 r62402) [Platform:
x86_64-w64-mingw32/x64 (64-bit)]

Can others reproduce this?  If so, I'll submit a bug report.  (On
Linux/OSX it does not crash/core dump.).

Following Duncan Murdoch's advice in a related message, I've filed bug
report PR#15406
[https://bugs.r-project.org/bugzilla3/show_bug.cgi?id=15406].

These bugs are both fixed now in R-devel and R-patched.

A little bit more advice on the question of "should there be a bug report or not":

- See the discussion in ?bug.report about "When is there a bug?" Both of Henrik's reports were clearly bugs.

- Some things are so minor that using the bug reporting system wastes time. My own rule is that if a NEWS entry is warranted, then it is helpful to have more depth in the discussion in the bug list. (The HTML version of the NEWS file has hyperlinks into the bug list.) So spelling mistakes should be reported to R-devel, not to the bug system.

- If you report to R-devel, there's a non-zero chance that your report will be missed. If you submit a bug report, it may not be acted on, but it will not be so easily lost.

- If you're asking for an improvement or suggesting a change, you should almost certainly start in R-devel, not in the bug list. People might disagree about the value of your suggestion. If there's general agreement, you can post it as a bug report with "Wishlist" in the subject heading.

- If you do post something as a bug report, it may be helpful to include a suggested patch. This should be against the R-devel source, not against a displayed version of a function or a help page. Identify the revision number as well. ("svn diff" on an R source checkout produces a nice patch file, including revision number.) Don't fix more than one thing in a single patch file. Do explain what your patch does.

- Don't expect all bug reports to get action. Sometimes they just look like too much trouble to track down and will sit in the bug list for a long time, sometimes whoever deals with it will disagree that the change is desirable, and will mark it as WONTFIX.

Duncan Murdoch

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