Bug 15282 - Error while displaying help page of a function existing inside two different loaded libraries
Error while displaying help page of a function existing inside two different ...
Status: CLOSED FIXED
Product: R
Classification: Unclassified
Component: Misc
R 3.0.0
x86_64/x64/amd64 (64-bit) Linux
: P5 normal
Assigned To: R-core
Depends on:
Blocks:
  Show dependency treegraph
 
Reported: 2013-04-18 04:13 UTC by Pascal Oettli
Modified: 2013-04-23 18:50 UTC (History)
1 user (show)

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Description Pascal Oettli 2013-04-18 04:13:26 UTC
When the help type is "html" and when a function name exists in different loaded libraries, the web browser is unable to display the package choice dialogue and display an error message.

Example:

"image" (packages graphics and gstat)

options(help_type="html") 

?image
Error in httpd("/library/NULL/help/image", NULL, NULL, c(48, 6f, 73, 74,  : replacement has length zero
Comment 1 Duncan Murdoch 2013-04-23 18:50:18 UTC
This is now fixed; will commit after testing is done.  (It was an error introduced in some unrelated changes.  Unfortunately, our test suite doesn't include a robot testing all the interactive features of dynamic help.)