etc/settings

eval PDF_VIEWER/DVI_VIEWER command line, which allows additional quotes for program name, for example;

# -*- shell-script -*- :mode=shellscript:
#
# Isabelle settings -- distribution defaults.
#
# Important notes:
#   * See the "system" manual for explanations on Isabelle settings
#   * DO NOT EDIT the repository copy of this file!
#   * DO NOT COPY this file into your ~/.isabelle directory!

###
### JVM components (Scala or Java)
###

ISABELLE_SCALA_BUILD_OPTIONS="-nowarn -target:jvm-1.5"


###
### Interactive sessions (cf. isabelle tty)
###

ISABELLE_LINE_EDITOR=""
[ -z "$ISABELLE_LINE_EDITOR" ] && ISABELLE_LINE_EDITOR="$(type -p rlwrap)"
[ -z "$ISABELLE_LINE_EDITOR" ] && ISABELLE_LINE_EDITOR="$(type -p ledit)"


###
### Batch sessions
###

#cf. isabelle usedir
ISABELLE_USEDIR_OPTIONS="-M max -p 1 -q 2 -v true -V outline=/proof,/ML"

#cf. isabelle build
ISABELLE_BUILD_OPTIONS=""


###
### Document preparation (cf. isabelle latex/document)
###

ISABELLE_LATEX="latex"
ISABELLE_PDFLATEX="pdflatex"
ISABELLE_BIBTEX="bibtex"
ISABELLE_MAKEINDEX="makeindex"
ISABELLE_DVIPS="dvips -D 600"
ISABELLE_EPSTOPDF="epstopdf"

# Paranoia setting for strange latex installations ...
#unset TEXMF


###
### Misc path settings
###

ISABELLE_COMPONENT_REPOSITORY="http://isabelle.in.tum.de/components"

# The place for user configuration, heap files, etc.
if [ -z "$ISABELLE_IDENTIFIER" ]; then
  ISABELLE_HOME_USER="$USER_HOME/.isabelle"
else
  ISABELLE_HOME_USER="$USER_HOME/.isabelle/$ISABELLE_IDENTIFIER"
fi

# Where to look for isabelle tools (multiple dirs separated by ':').
ISABELLE_TOOLS="$ISABELLE_HOME/lib/Tools"

# Location for temporary files (should be on a local file system).
ISABELLE_TMP_PREFIX="/tmp/isabelle-$USER"

# Heap input locations. ML system identifier is included in lookup.
ISABELLE_PATH="$ISABELLE_HOME_USER/heaps:$ISABELLE_HOME/heaps"

# Heap output location. ML system identifier is appended automatically later on.
ISABELLE_OUTPUT="$ISABELLE_HOME_USER/heaps"
ISABELLE_BROWSER_INFO="$ISABELLE_HOME_USER/browser_info"

# Site settings check -- just to make it a little bit harder to copy this file verbatim!
[ -n "$ISABELLE_SITE_SETTINGS_PRESENT" ] && \
  { echo >&2 "### Isabelle site settings already present!  Maybe copied etc/settings in full?"; }
ISABELLE_SITE_SETTINGS_PRESENT=true


###
### Default logic
###

ISABELLE_LOGIC=HOL


###
### Docs
###

# Where to look for docs (multiple dirs separated by ':').
ISABELLE_DOCS="$ISABELLE_HOME/doc"

# Preferred document format
ISABELLE_DOC_FORMAT=pdf

# PDF file viewer (command-line to eval)
case "$ISABELLE_PLATFORM_FAMILY" in
  linux)
    PDF_VIEWER="xdg-open"
    ;;
  macos)
    PDF_VIEWER="open -W -n"
    ;;
  windows)
    PDF_VIEWER="cygstart"
    ;;
esac

# DVI file viewer (command-line to eval)
DVI_VIEWER=xdvi
#DVI_VIEWER="xdvi -geometry 498x704 -expert -s 5"
#DVI_VIEWER="xdvi -geometry 711x1005 -expert -s 7"
#DVI_VIEWER="xdvi -geometry 500x704 -expert -s 10"
#DVI_VIEWER="xdvi -geometry 555x782 -expert -s 9"


# Printer spool command for PS files
PRINT_COMMAND=lp


###
### Rendering information
###

ISABELLE_FONTS="$ISABELLE_HOME/lib/fonts/IsabelleText.ttf:$ISABELLE_HOME/lib/fonts/IsabelleTextBold.ttf"
ISABELLE_SYMBOLS="$ISABELLE_HOME/etc/symbols:$ISABELLE_HOME_USER/etc/symbols"


###
### Misc old-style settings
###

# Standard ML of New Jersey (slow!)
#ML_SYSTEM=smlnj-110
#ML_HOME="/usr/local/smlnj/bin"
#ML_OPTIONS="@SMLdebug=/dev/null @SMLalloc=1024"
#ML_PLATFORM=$(eval $("$ML_HOME/.arch-n-opsys" 2>/dev/null); echo "$HEAP_SUFFIX")
#SMLNJ_CYGWIN_RUNTIME=1

## Set HOME only for tools you have installed!

# SVC (Stanford Validity Checker)
#SVC_HOME=
#SVC_MACHINE=i386-redhat-linux
#SVC_MACHINE=sparc-sun-solaris

# MiniSat 1.14 (SAT Solver, cf. src/HOL/Tools/sat_solver.ML)
#MINISAT_HOME=/usr/local/bin

# zChaff (SAT Solver, cf. src/HOL/Tools/sat_solver.ML)
#ZCHAFF_HOME=/usr/local/bin

# BerkMin561 (SAT Solver, cf. src/HOL/Tools/sat_solver.ML)
#BERKMIN_HOME=/usr/local/bin
#BERKMIN_EXE=BerkMin561-linux
#BERKMIN_EXE=BerkMin561-solaris

# Jerusat 1.3 (SAT Solver, cf. src/HOL/Tools/sat_solver.ML)
#JERUSAT_HOME=/usr/local/bin

# For configuring HOL/Matrix/cplex
# LP_SOLVER is the default solver. It can be changed during runtime via Cplex.set_solver.
# First option: use the commercial cplex solver
#LP_SOLVER=CPLEX
#CPLEX_PATH=cplex
# Second option: use the open source glpk solver
#LP_SOLVER=GLPK
#GLPK_PATH=glpsol

# Misc programming languages
#ISABELLE_GHC="/usr/bin/ghc"
#ISABELLE_OCAML="/usr/bin/ocaml"
#ISABELLE_SWIPL="/usr/bin/swipl"