The text generated by TSVG has now the xml:space="preserve" as suggested here:...

The text generated by TSVG has now the xml:space="preserve" as suggested here: https://sft.its.cern.ch/jira/browse/ROOT-8161.

README/ReleaseNotes/v608/index.md

@@ -199,6 +199,9 @@ We added a cache specifically for the fast option of the TTreeCloner to signific
 * In TASImage: implement transparent text for png files created in batch mode.
 * TCanvas title was not set correctly when a TCanvas was read from a TFile.
   (reported [here](https://root.cern.ch/phpBB3/viewtopic.php?f=3&t=21540&p=94053#p93981)).
+* The text generated by `TSVG` has now the `xml:space="preserve"` attribute in order
+  to be editable later on using external softwares like "inkscape". This improvement
+  was suggested [here](https://sft.its.cern.ch/jira/browse/ROOT-8161).
 
 ## 3D Graphics Libraries
 

graf2d/postscript/src/TSVG.cxx

@@ -1432,7 +1432,7 @@ void TSVG::Text(Double_t xx, Double_t yy, const char *chars)
    }
 
    PrintStr("@");
-   PrintFast(9,"<text x=\"");
+   PrintFast(30,"<text xml:space=\"preserve\" x=\"");
    WriteReal(ix, kFALSE);
    PrintFast(5,"\" y=\"");
    WriteReal(iy, kFALSE);