1 | initial version |

I disagree with your assertion that `DOT_SAGE`

is the only valid variable listed here. All but one of the listed variables are still valid, most used by either `local/bin/sage-env`

or by `src/sage/env.py`

:

`DOT_SAGE`

: yes, see both`sage-env`

and`env.py`

`SAGE_RC_FILE`

: yes, see`sage-env`

`SAGE_STARTUP_FILE`

: yes, see both`sage-env`

and`env.py`

`SAGE_SERVER`

: yes, but only used when downloading packages: see`build/sage_bootstrap/mirror_list.py`

.`SAGE_PATH`

: yes, see`sage-env`

`SAGE_BROWSER`

: yes, see`src/misc/viewer.py`

; I think it also gets used by the old Sage notebook`SAGE_ORIG_LD_LIBRARY_PATH_SET`

,`SAGE_ORIG_DYLD_LIBRARY_PATH_SET`

: yes, see`src/repl/interpreter.py`

.`SAGE_CBLAS`

: I'm not sure about this one; it may not be valid anymore.

See also http://doc.sagemath.org/html/en/installation/source.html#environment-variables for environment variables used when compiling Sage.

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