[LyX/2.2.x] Fix preview of external material with plaintext and DocBook.

[Richard Heck]

commit a536ee7718c7ffbe185843330986cfda08b31868
Author: Richard Heck <rgh...@lyx.org>
Date:   Sat Jul 30 23:48:27 2016 -0400

    Fix preview of external material with plaintext and DocBook.
    
    (cherry picked from commit 93a612220ed4ce604c864b72b14efc59e8ce6683)
---
 src/insets/InsetExternal.cpp |   10 ++++++----
 status.22x                   |    2 ++
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/src/insets/InsetExternal.cpp b/src/insets/InsetExternal.cpp
index 097dc7d..8e89ead 100644
--- a/src/insets/InsetExternal.cpp
+++ b/src/insets/InsetExternal.cpp
@@ -729,10 +729,11 @@ int InsetExternal::plaintext(odocstringstream & os,
 
        TexRow texrow;
        otexstream ots(os, texrow);
+       bool const external_in_tmpdir = !runparams.nice;
+       bool const dryrun = runparams.dryrun || runparams.inComment;
        ots << '\n'; // output external material on a new line
        external::writeExternal(params_, "Ascii", buffer(), ots,
-                               *(runparams.exportdata), false,
-                               runparams.dryrun || runparams.inComment);
+                               *(runparams.exportdata), external_in_tmpdir, 
dryrun);
        return PLAINTEXT_NEWLINE;
 }
 
@@ -743,9 +744,10 @@ int InsetExternal::docbook(odocstream & os,
        TexRow texrow;
        odocstringstream ods;
        otexstream ots(ods, texrow);
+       bool const external_in_tmpdir = !runparams.nice;
+       bool const dryrun = runparams.dryrun || runparams.inComment;
        external::writeExternal(params_, "DocBook", buffer(), ots,
-                               *(runparams.exportdata), false,
-                               runparams.dryrun || runparams.inComment);
+                               *(runparams.exportdata), external_in_tmpdir, 
dryrun);
        os << ods.str();
        return int(count(ods.str().begin(), ods.str().end(), '\n'));
 }
diff --git a/status.22x b/status.22x
index 86543d0..35acf5e 100644
--- a/status.22x
+++ b/status.22x
@@ -43,6 +43,8 @@ What's new
 
 - Fixed fen2ascii script.
 
+- Fixed preview of external material with plaintext and DocBook.
+
 
 * LYX2LYX