[libgsf] OLE2: add comments possibly identifying unknown document properties

[Morten Welinder <mortenw src gnome org>]

commit 70513ed60bc2138dff0203ac22b9ed5eab5208ba
Author: Morten Welinder <terra gnome org>
Date:   Mon Apr 30 10:52:52 2018 -0400

    OLE2: add comments possibly identifying unknown document properties

 gsf/gsf-msole-utils.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/gsf/gsf-msole-utils.c b/gsf/gsf-msole-utils.c
index 2a8f83a..f6a1c33 100644
--- a/gsf/gsf-msole-utils.c
+++ b/gsf/gsf-msole-utils.c
@@ -192,12 +192,18 @@ static GsfMSOleMetaDataPropMap const builtin_props [] = {
        { "Manager",            DOC_PROP,       GSF_META_NAME_MANAGER,             14,  VT_LPSTR },
        { "Company",            DOC_PROP,       GSF_META_NAME_COMPANY,             15,  VT_LPSTR },
        { "LinksDirty",         DOC_PROP,       GSF_META_NAME_LINKS_DIRTY,         16,  VT_BOOL },
+       // Possible match: { 0x0011, 0x0003, "PIDDSI_CCHWITHSPACES", "Number of characters with white-space" 
},
        { "DocSumInfo_17",      DOC_PROP,       GSF_META_NAME_MSOLE_UNKNOWN_17,    17,  VT_UNKNOWN },
        { "DocSumInfo_18",      DOC_PROP,       GSF_META_NAME_MSOLE_UNKNOWN_18,    18,  VT_UNKNOWN },
+       // Possible match: { 0x0013, 0x000b, "PIDDSI_SHAREDDOC", "Shared document" },
        { "DocSumInfo_19",      DOC_PROP,       GSF_META_NAME_MSOLE_UNKNOWN_19,    19,  VT_BOOL },
+       // Possible match: +  PIDDSI_LINKBASE  = 0x0014
        { "DocSumInfo_20",      DOC_PROP,       GSF_META_NAME_MSOLE_UNKNOWN_20,    20,  VT_UNKNOWN },
+       // Possible match: +  PIDDSI_HLINKS= 0x0015,
        { "DocSumInfo_21",      DOC_PROP,       GSF_META_NAME_MSOLE_UNKNOWN_21,    21,  VT_UNKNOWN },
+       // Possible match: { 0x0016, 0x000b, "PIDDSI_HYPERLINKSCHANGED", "Hyper links changed" },
        { "DocSumInfo_22",      DOC_PROP,       GSF_META_NAME_MSOLE_UNKNOWN_22,    22,  VT_BOOL },
+       // Possible match: { 0x0017, 0x0003, "PIDDSI_VERSION", "Creating application version" },
        { "DocSumInfo_23",      DOC_PROP,       GSF_META_NAME_MSOLE_UNKNOWN_23,    23,  VT_I4 },
        { "Title",              COMPONENT_PROP, GSF_META_NAME_TITLE,                2,  VT_LPSTR },
        { "Subject",            COMPONENT_PROP, GSF_META_NAME_SUBJECT,              3,  VT_LPSTR },