[RFC] more agressive error check for `make docs`?

[Alexander Belchenko]

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Currently `make docs` always runs successful even if there is
some warnings or errors during html generation. I think it's bad,
because periodically I find regressions.

Can we adding some flags for rst2html.py to have non-zero exit code
for such situation? Because docs generated during `make check`
and IIUC it's used in PQM, we have another blocker for regressions?

The change will looks like:

=== modified file 'Makefile'
- --- Makefile    2007-09-04 14:17:40 +0000
+++ Makefile    2007-09-04 14:39:13 +0000
@@ -70,7 +70,7 @@
 ifdef PRETTY
 rst2html := python tools/rst2prettyhtml.py doc/bazaar-vcs.org.kid
 else
- -rst2html := python tools/rst2html.py --link-stylesheet --footnote-references=superscript
+rst2html := python tools/rst2html.py --halt=1 --exit-status=1 --link-stylesheet
- --footnote-references=superscript
 endif

 # translate txt docs to html


But at first we need to fix 'see also' in help for send command.

[µ]
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