Bugzilla Bug 222417

Although the "doc" useflag is set, Singular is missing its online help.

Reproducible: Always

Steps to Reproduce:
1. Run Singular
2. Query the help with eg "?ring;"
3.

Actual Results:  
                     SINGULAR                             /  Development
 A Computer Algebra System for Polynomial Computations   /   version 3-0-4
                                                       0<
     by: G.-M. Greuel, G. Pfister, H. Schoenemann        \   Nov 2007
FB Mathematik der Universitaet, D-67653 Kaiserslautern    \
>
. ?ring;
// ** Could not get IdxFile.
// ** Either set environment variable SINGULAR_IDX_FILE to IdxFile,
// ** or make sure that IdxFile is at /usr/share/singular/singular.idx
// ** Displaying help in browser 'dummy'.
// ** Use 'system("--browser", <browser>);' to change browser,
// ** where <browser> can be: "dummy", "emacs".
   ? No functioning help browser available.
   ? error occurred in STDIN line 2: `?ring;`
>                                                   

Expected Results:  
Should start browsing the help

Portage 2.1.4.4 (default-linux/x86/2007.0/desktop, gcc-4.1.2, glibc-2.6.1-r0,
2.6.25 i686)
=================================================================
System uname: 2.6.25 i686 Intel(R) Core(TM)2 Duo CPU L7500 @ 1.60GHz
Timestamp of tree: Fri, 16 May 2008 13:45:01 +0000
distcc 2.18.3 i686-pc-linux-gnu (protocols 1 and 2) (default port 3632)
[disabled]
ccache version 2.4 [enabled]
app-shells/bash:     3.2_p33
dev-java/java-config: 1.3.7, 2.1.6
dev-lang/python:     2.4.4-r9
dev-python/pycrypto: 2.0.1-r6
dev-util/ccache:     2.4-r7
sys-apps/baselayout: 1.12.11.1
sys-apps/sandbox:    1.2.18.1-r2
sys-devel/autoconf:  2.13, 2.61-r1
sys-devel/automake:  1.5, 1.7.9-r1, 1.8.5-r3, 1.9.6-r2, 1.10.1
sys-devel/binutils:  2.18-r1
sys-devel/gcc-config: 1.4.0-r4
sys-devel/libtool:   1.5.26
virtual/os-headers:  2.6.23-r3
ACCEPT_KEYWORDS="x86"
CBUILD="i686-pc-linux-gnu"
CFLAGS="-march=prescott -O2 -pipe -fomit-frame-pointer"
CHOST="i686-pc-linux-gnu"
CONFIG_PROTECT="/etc /usr/kde/3.5/env /usr/kde/3.5/share/config
/usr/kde/3.5/shutdown /usr/kde/4.0/env /usr/kde/4.0/share/config
/usr/kde/4.0/shutdown /usr/share/config"
CONFIG_PROTECT_MASK="/etc/env.d /etc/env.d/java/ /etc/fonts/fonts.conf
/etc/gconf /etc/php/apache2-php5/ext-active/ /etc/php/cgi-php5/ext-active/
/etc/php/cli-php5/ext-active/ /etc/revdep-rebuild /etc/terminfo
/etc/texmf/web2c /etc/udev/rules.d"
CXXFLAGS="-march=prescott -O2 -pipe -fomit-frame-pointer"
DISTDIR="/usr/portage/distfiles"
FEATURES="ccache distlocks metadata-transfer parallel-fetch sandbox sfperms
strict unmerge-orphans userfetch"
GENTOO_MIRRORS="http://gentoo.tiscali.nl/"
LANG="en_US.UTF-8"
LDFLAGS="-Wl,-O1 -Wl,--as-needed"
LINGUAS="en en_US de ja es fr it"
MAKEOPTS="-j3"
PKGDIR="/usr/portage/packages"
PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --compress
--force --whole-file --delete --stats --timeout=180 --exclude=/distfiles
--exclude=/local --exclude=/packages"
PORTAGE_TMPDIR="/var/tmp"
PORTDIR="/usr/portage"
PORTDIR_OVERLAY="/usr/portage/local/layman/sunrise
/usr/portage/local/layman/science /usr/portage/local/layman/science
/usr/portage/local/layman/gentopia /usr/portage/local/layman/emacs
/usr/portage/local/layman/x11 /usr/portage/local/tom-overlay"
SYNC="rsync://rsync.de.gentoo.org/gentoo-portage"
USE="X a52 aac acl acpi alsa anthy apache2 arts avahi bash-completion berkdb
bluetooth bzip2 cairo canna cddb cdparanoia cdr cjk cli cracklib crypt ctype
cups curl daap dbus dri dvd dvdr dvdread eds emacs encode esd evo expat fam
fbcon ffmpeg firefox flac fortran freewnn ftp gd gdbm gif glut gmp gnome
gnome-keyring gphoto2 gpm graphviz gstreamer gtk guile hal hdaps iconv ieee1394
imagemagick imap imlib ipod ipv6 isdnlog java javascript jpeg kde kerberos
latex ldap leim libnotify lm_sensors m17n-lib mad midi migemo mikmod mime mmx
mp3 mp4 mpeg mplayer mudflap mule musicbrainz mysql mysqli ncurses
networkmanager nls nptl nptlonly nsplugin obex ocaml ogg oggvorbis openal
opengl openmp oss pam pcmcia pcre pdf perl php plotutils png pppd python qt3
qt3support qt4 quicktime readline real reflection samba sasl sdl session slang
spell spl sqlite3 sse ssl svg tcpd texlive theora tiff tk truetype unicode usb
vhosts vim vim-syntax visualization vorbis wifi win32codecs wxwindows x86
xcomposite xine xinerama xml xorg xv xvid zlib" ALSA_CARDS="ali5451 als4000
atiixp atiixp-modem bt87x ca0106 cmipci emu10k1 emu10k1x ens1370 ens1371 es1938
es1968 fm801 hda-intel intel8x0 intel8x0m maestro3 trident usb-audio via82xx
via82xx-modem ymfpci" ALSA_PCM_PLUGINS="adpcm alaw asym copy dmix dshare dsnoop
empty extplug file hooks iec958 ioplug ladspa lfloat linear meter mulaw multi
null plug rate route share shm softvol" APACHE2_MODULES="actions alias
auth_basic auth_digest authn_anon authn_dbd authn_dbm authn_default authn_file
authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user
autoindex cache dav dav_fs dav_lock dbd deflate dir disk_cache env expires
ext_filter file_cache filter headers ident imagemap include info log_config
logio mem_cache mime mime_magic negotiation proxy proxy_ajp proxy_balancer
proxy_connect proxy_http rewrite setenvif so speling status unique_id userdir
usertrack vhost_alias" ELIBC="glibc" FRITZCAPI_CARDS="fcpcmcia"
INPUT_DEVICES="keyboard mouse evdev" KERNEL="linux" LCD_DEVICES="bayrad cfontz
cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LINGUAS="en en_US de
ja es fr it" USERLAND="GNU" VIDEO_CARDS="i810"
Unset:  CPPFLAGS, CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LC_ALL,
PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS

Hi Thomas,

Thanks much for the note and I just fixed this in
the singular-3.0.4.2 ebuild.

Best,
Markus