[lmi] [PATCH] Escape strings inserted into HTML in group quotes report generation code

[Vadim Zeitlin]

 Hello again,

 After looking at the footer use, I've realized that it could be corrupted
if it contained any special XML characters such as "<" or "&" and while
this looks unlikely, it's better to guard against this, so the attached
patch does just this. To see its effect, try using e.g. "<whatever>" as
MarketingNameFootnote field value: it appears as expected in the report now
whereas it was simply lost before.

 Please note that this patch risks conflicting with the one changing
row_num_ handling, so you might want to apply this one (which is a bit more
extensive) first.

 Thanks in advance,
VZ

0001-Escape-special-characters-in-group-quotes-report-to-.patch
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