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---
texk/web2c/man/etex.man | 14 ++++++++++++++
texk/web2c/man/tex.man | 8 ++++++++
2 files changed, 22 insertions(+)
--- texlive-bin.orig/texk/web2c/man/etex.man
+++ texlive-bin/texk/web2c/man/etex.man
@@ -327,6 +327,20 @@ is set when e-\*(TX is compiled.
Search path for font metric
.RI ( .tfm )
files.
+.TP
+.B SOURCE_DATE_EPOCH
+If set, its value, taken to be in epoch-seconds, will be used for the
+timestamps in the PDF output, such as the CreationDate and ModDate keys.
+This is useful for making reproducible builds.
+.TP
+.B FORCE_SOURCE_DATE
+If set to the value "1", the time-related \*(TX primitives
+.RI ( \eyear ,
+.IR \emonth ,
+.IR \eday ,
+.IR \etime )
+are also initialized from the value of SOURCE_DATE_EPOCH. This is not
+recommended if there is any viable alternative.
.\"=====================================================================
.SH FILES
The location of the files mentioned below varies from system to
--- texlive-bin.orig/texk/web2c/man/tex.man
+++ texlive-bin/texk/web2c/man/tex.man
@@ -434,6 +434,14 @@ is set when \*(TX is compiled.
Search path for font metric
.RI ( .tfm )
files.
+.P
+Notes for Debian developers: please keep in mind, that this version of
+the \*(TX interpreter ignores the
+.B SOURCE_DATE_EPOCH
+variable. Instead the current timestamp is written into the
+.I DVI
+file. If you need a reproducible time stamp, please use any engine based
+on pdf\*(TX, e.g., etex, pdftex, latex, pdflatex.
.\"=====================================================================
.SH FILES
The location of the files mentioned below varies from system to
|
