diff --git a/t.sh b/t.sh
index 63ed2f8..f5cdbb4 100755
--- a/t.sh
+++ b/t.sh
@@ -284,7 +284,7 @@ function loadtask() {
 
 dblog "open $1"
     file="$1"
-    res=$(cat "$file" | awk -F: 'BEGIN { checked=0; folded=0; } /^UID:/ { printf("uid©%s©",$2); } /^SUMMARY:/ { sub("SUMMARY:",""); printf("sum©%s©",$0); } /^CATEGORIES:/ { sub("^CATEGORIES:",""); printf("cats©%s©",$0); } /^DESCRIPTION:/ { sub("DESCRIPTION:",""); printf("desc©%s©",$0); } /^RELATED-TO/ { sub("^RELATED-TO.*:",""); printf("parent©%s©",$0); } /^X-OC-HIDESUBTASKS:1/ { folded=1; } /^STATUS:COMPLETED/ { checked=1; } END { printf("checked©%d©folded©%d\n",checked,folded); }')
+    res=$(cat "$file" | awk -F: 'BEGIN { checked=0; folded=0; } /^UID:/ { printf("uid©%s©",$2); } /^SUMMARY:/ { sub("SUMMARY:",""); printf("sum©%s©",$0); } /^CATEGORIES:/ { sub("^CATEGORIES:",""); printf("cats©%s©",$0); } /^DESCRIPTION:/ { sub("DESCRIPTION:",""); printf("desc©%s©",$0); } /^RELATED-TO/ { sub("^RELATED-TO.*:",""); printf("parent©%s©",$0); } /^X-OC-HIDESUBTASKS:1/ { folded=1; } /^STATUS:/ { stat=substr($0,8); if (stat == "COMPLETED") { checked=2; } else if (stat == "IN-PROCESS") { checked = 1 } }  END { printf("checked©%d©folded©%d\n",checked,folded); }')
 
     IFS='©'
     read -ra tok <<< "$res"
@@ -376,7 +376,8 @@ function marknotdone() {
         return 1
     fi
     file="$dir/$uid.vcf"
-    sed -i '/^COMPLETED:/d;/^STATUS:COMPLETED/d;/PERCENT-COMPLETE:100/d' "$file"
+    #sed -i '/^COMPLETED:/d;/^STATUS:COMPLETED/d;/PERCENT-COMPLETE:100/d' "$file"
+    sed -i '/^COMPLETED:/d;/^STATUS:/d;/PERCENT-COMPLETE:/d' "$file"
     sedrv=$((sedrv + $?))
     set_lastmodified $uid
     sedrv=$((sedrv + $?))
@@ -820,6 +821,52 @@ function unfold() {
     return $rv
 }
 
+
+function markinprogress() {
+    local uid sedrv rv file toadd1 str now
+    local children childuid ischild noun id
+    uid=$1
+    id=$(getid $uid)
+    [[ $# -gt 1 ]] && ischild=1 || ischild=0
+    [[ $ischild -eq 1 ]] && noun=subtask || noun=task
+    # already in progress?
+    if [[ ${taskchecked[$id]} -eq 1 ]]; then
+        error "$noun #${id} is already in progress"
+        return 1
+    fi
+    str="END:VTODO"
+    now=$(date -u +'%Y%m%dT%H%M%SZ')
+
+    file="$dir/$uid.vcf"
+
+    # first remove any existing completion
+    sed -i '/^COMPLETED:/d;/^STATUS:COMPLETED/d;/PERCENT-COMPLETE:/d' "$file"
+
+    # then add partial completion
+    toadd1="STATUS:IN-PROCESS"
+    sed -i "/$str/i $toadd1\n" "$file"
+    sedrv=$?
+    set_lastmodified $uid
+    sedrv=$((sedrv + $?))
+    if [[ $sedrv -eq 0 ]]; then
+        action "Marked $noun #${id} as in-progress."
+        processed="$processed ${uid} "
+        loadtask "$file"
+        rv=0
+        children=$(getchildren $uid)
+        for childuid in ${children}; do
+            markinprogress $childuid noprint
+            rv=$((rv + $?))
+        done
+    else
+        failed="$failed ${uid} "
+        error "failed to mark $noun #${id} as in-progress"
+        rv=1
+    fi
+
+    return $rv
+}
+
 function markdone() {
     local uid sedrv rv file toadd1 toadd2 toadd3 str now
     local children childuid ischild noun id
@@ -828,7 +875,7 @@ function markdone() {
     [[ $# -gt 1 ]] && ischild=1 || ischild=0
     [[ $ischild -eq 1 ]] && noun=subtask || noun=task
     # already complete?
-    if [[ ${taskchecked[$id]} -eq 1 ]]; then
+    if [[ ${taskchecked[$id]} -eq 2 ]]; then
         error "$noun #${id} is already completed"
         return 1
     fi
@@ -968,10 +1015,11 @@ function showit() {
     local children nchildren charcol
     local notecol bcol bl br space pre end
     local showkids
-    local reset catstr catcol
+    local reset catstr catcol lrogcol
 
     reset="$PLAIN"
     catcol="\033[38;2;255;165;0m"
+    progcol="\033[38;2;212;0;255m"
 
     showkids=1
     if [[ $1 == "--nochildren" ]]; then
@@ -1001,12 +1049,19 @@ function showit() {
 
     col="$reset"
     notecol="$YELLOW"
-    if [[ ${taskchecked[$id]} -eq 1 ]]; then
+    end=""
+    if [[ ${taskchecked[$id]} -eq 2 ]]; then
         char="✓"
+        charcol="$GREEN"
         col="$col$STRIKE"
         notecol="$notecol$STRIKE"
+    elif [[ ${taskchecked[$id]} -eq 1 ]]; then
+        char="&"
+        charcol="$progcol"
+        end="${progcol}...${reset}"
     else
         char=" "
+        charcol="$GREEN"
     fi
 
     if [[ $uid == $hilite ]]; then
@@ -1014,7 +1069,6 @@ function showit() {
         notecol="$notecol$HILITE"
     fi
 
-    charcol="$GREEN"
     if [[ $nchildren -gt 0 && ${taskfolded[$id]} -eq 1 ]]; then
         bcol=$brackfold
         bl="("
@@ -1022,7 +1076,7 @@ function showit() {
         #col="$col$FOLDBG"
         space=" "
         pre=""
-        end=" $reset$CYAN${BOLD}[$nchildren subtasks]"
+        end=" $end$reset$CYAN${BOLD}[$nchildren subtasks]"
         if [[ $char == " " ]]; then
             char="+"
             charcol="$BOLD$CYAN"
@@ -1033,7 +1087,6 @@ function showit() {
         br="]"
         space=" "
         pre=""
-        end=""
     fi
 
     if [[ -z ${taskcats[$id]} ]]; then
@@ -1428,6 +1481,7 @@ addcmd "unfold" "unfold <id>" "Unfold a parent task (show its children)" "unfold
 addcmd "toggle" "toggle <id>" "Fold/Unfold a parent task" "toggle|z|zz" SUPPORTS_ALL
 addcmd "done" "done <taskid>" "Complete a task" "done|x|complete" SUPPORTS_ALL
 addcmd "notdone" "notdone <taskid>" "Uncomplete a task" "notdone|o|incomplete|uncomplete|clear" SUPPORTS_ALL
+addcmd "inprogress" "inprogress <taskid>" "Mark a task as in progress" "inprogress|progress|inp|prog|i|p" SUPPORTS_ALL
 addcmd "add" "add [parent] <name>" "Add a new task [as subtask of parent]" "a|add|new|create"
 addcmd "del" "del [id1] .. [idX]" "Delete given task(s)" "del|rm|delete"
 addcmd "cleanup" "cleanup" "Delete all completed tasks" "cleanup|clean|flush|dc"
@@ -1647,7 +1701,7 @@ elif [[ $mode == "cleanup" ]]; then
         action "Deleting all completed tasks."
         for id in ${!taskuid[@]}; do
             uid=$(getuid $id)
-            [[ ${taskchecked[$id]} -eq 1 ]] && delq_add $uid
+            [[ ${taskchecked[$id]} -eq 2 ]] && delq_add $uid
         done
 
         delq_process
@@ -1688,9 +1742,11 @@ else
             elif [[ $mode == "unfold" && ${taskfolded[$id]} -eq 1 ]]; then
                 match=1
                 kids="--nochildren"
-            elif [[ $mode == "done" && ${taskchecked[$id]} -eq 0 ]]; then
+            elif [[ $mode == "done" && ${taskchecked[$id]} -ne 2 ]]; then
                 match=1
-            elif [[ $mode == "notdone" && ${taskchecked[$id]} -eq 1 ]]; then
+            elif [[ $mode == "notdone" && ${taskchecked[$id]} -ne 0 ]]; then
+                match=1
+            elif [[ $mode == "inprogress" && ${taskchecked[$id]} -ne 1 ]]; then
                 match=1
             elif [[ $mode == "list" && $hasparent -eq 0 ]]; then
                 match=1
@@ -1767,6 +1823,8 @@ else
                 markdone $uid
             elif [[ $mode == "notdone" ]]; then
                 marknotdone $uid
+            elif [[ $mode == "inprogress" ]]; then
+                markinprogress $uid
             elif [[ $mode == "fold" ]]; then
                 fold $uid
             elif [[ $mode == "unfold" ]]; then