Invalid burly URL with ivy-posframe, better-jumper, or bufler.el

Before the gnarly backtrace, what I think happens. (I'm on 7c03d63)

I have a `invalid read syntax #` error when I try to restore frames with burly but it worked when I "only" save windows.

I dig up the backtrace and I think the issue is with the posframe-buffer frame-parameters (`posframe-buffer` `posframe-parent-buffer`), which are stored directly in their `princ` forms. Either that or still the better-jumper (`better-jumper-struct`) issue of #12, or the `bufler-workspace-path-formatted` . Or the `name` of the frames

Don't hesitate to search for the `parameters` in the page, otherwise it's kind of hard to see where the issues are

The url I tried to restore :
```
emacs+burly+frames:?%5Bframeset%201%20%2824514%2033650%20510915%20775000%29%20nil%20nil%20nil%20nil%20%28%28%28%28minibuffer%29%20%28undecorated%20.%20t%29%20%28override-redirect%29%20%28font-parameter%20.%20%22-%2A-Iosevka-semilight-%2A-%2A-%2A-16-%2A-%2A-%2A-%2A-%2A-%2A-%2A%22%29%20%28font%20.%20%22-CYEL-Iosevka-normal-normal-normal-%2A-16-%2A-%2A-%2A-m-0-iso10646-1%22%29%20%28border-width%20.%200%29%20%28internal-border-width%20.%201%29%20%28right-divider-width%20.%201%29%20%28bottom-divider-width%20.%201%29%20%28vertical-scroll-bars%29%20%28horizontal-scroll-bars%29%20%28foreground-color%20.%20%22%23303030%22%29%20%28background-color%20.%20%22%23E4E4E4%22%29%20%28mouse-color%20.%20%22black%22%29%20%28border-color%20.%20%22black%22%29%20%28screen-gamma%29%20%28line-spacing%20.%200%29%20%28left-fringe%20.%204%29%20%28right-fringe%20.%204%29%20%28no-special-glyphs%20.%20t%29%20%28scroll-bar-foreground%20.%20%22black%22%29%20%28scroll-bar-background%29%20%28min-width%20.%2090%29%20%28min-height%20.%2010%29%20%28menu-bar-lines%20.%200%29%20%28tab-bar-lines%20.%200%29%20%28height%20.%2018%29%20%28tool-bar-lines%20.%200%29%20%28title%29%20%28wait-for-wm%20.%20t%29%20%28tool-bar-position%20.%20top%29%20%28inhibit-double-buffering%29%20%28icon-type%20.%20t%29%20%28auto-raise%29%20%28auto-lower%29%20%28cursor-type%29%20%28scroll-bar-width%20.%2016%29%20%28scroll-bar-height%20.%2016%29%20%28alpha%29%20%28no-focus-on-map%29%20%28no-accept-focus%20.%20t%29%20%28fullscreen%29%20%28visibility%29%20%28skip-taskbar%29%20%28z-group%29%20%28keep-ratio%20nil%29%20%28posframe-buffer%20%22%20%2Aivy-posframe-buffer%2A%22%20.%20%23%3Cbuffer%20%20%2Aivy-posframe-buffer%2A%3E%29%20%28no-other-frame%20.%20t%29%20%28desktop-dont-save%20.%20t%29%20%28display-type%20.%20color%29%20%28background-mode%20.%20light%29%20%28cursor-color%20.%20%22%23D7AF00%22%29%20%28posframe-hidehandler%29%20%28posframe-parent-buffer%20%22%2Adoom%2A%22%20.%20%23%3Cbuffer%20%2Adoom%2A%3E%29%20%28frameset--id%20.%20%224E95-0F1B-C33C-A509%22%29%20%28frameset--parent-frame%20.%20%22F962-4A16-16C0-C858%22%29%20%28frameset--mini%20nil%20.%20%22F962-4A16-16C0-C858%22%29%20%28frameset--text-pixel-width%20.%20728%29%20%28frameset--text-pixel-height%20.%20378%29%20%28name%20.%20%22%22%29%20%28width%20.%2091%29%20%28modeline%20.%20t%29%20%28unsplittable%20.%20t%29%20%28left%20.%20218%29%20%28top%20.%200%29%20%28icon-name%29%20%28display%20.%20%22%3A0%22%29%20%28explicit-name%29%29%20%28%28min-height%20.%204%29%20%28min-width%20.%2010%29%20%28min-height-ignore%20.%201%29%20%28min-width-ignore%20.%203%29%20%28min-height-safe%20.%201%29%20%28min-width-safe%20.%202%29%20%28min-pixel-height%20.%2084%29%20%28min-pixel-width%20.%2080%29%20%28min-pixel-height-ignore%20.%2021%29%20%28min-pixel-width-ignore%20.%2024%29%20%28min-pixel-height-safe%20.%2021%29%20%28min-pixel-width-safe%20.%2016%29%29%20leaf%20%28last%20.%20t%29%20%28pixel-width%20.%20744%29%20%28pixel-height%20.%20378%29%20%28total-width%20.%2093%29%20%28total-height%20.%2018%29%20%28normal-height%20.%201.0%29%20%28normal-width%20.%201.0%29%20%28parameters%20%28mode-line-format%20.%20none%29%20%28better-jumper-struct%20.%20%23s%28better-jumper-jump-list-struct%20%280%200%20.%20%5Bnil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%5D%29%20-1%29%29%20%28burly-url%20.%20%22emacs%2Bburly%2Bname%3A%2F%2F%3F%20%2Aivy-posframe-buffer%2A%22%29%29%20%28buffer%20%22%20%2Aivy-posframe-buffer%2A%22%20%28selected%29%20%28hscroll%20.%200%29%20%28fringes%204%204%20t%20nil%29%20%28margins%20nil%29%20%28scroll-bars%20nil%200%20t%20nil%200%20t%20nil%29%20%28vscroll%20.%200%29%20%28dedicated%20.%20t%29%20%28point%20.%201%29%20%28start%20.%201%29%29%20%28prev-buffers%20%28%22%2Ascratch%2A%22%201%201%29%29%29%20%28%28%28minibuffer%20.%20t%29%20%28undecorated%29%20%28override-redirect%29%20%28font%20.%20%22-CYEL-Iosevka-normal-normal-normal-%2A-16-%2A-%2A-%2A-m-0-iso10646-1%22%29%20%28border-width%20.%200%29%20%28internal-border-width%20.%200%29%20%28right-divider-width%20.%201%29%20%28bottom-divider-width%20.%201%29%20%28vertical-scroll-bars%29%20%28horizontal-scroll-bars%29%20%28foreground-color%20.%20%22%23303030%22%29%20%28background-color%20.%20%22%23EEEEEE%22%29%20%28mouse-color%20.%20%22black%22%29%20%28border-color%20.%20%22black%22%29%20%28screen-gamma%29%20%28line-spacing%29%20%28left-fringe%20.%204%29%20%28right-fringe%20.%204%29%20%28no-special-glyphs%29%20%28scroll-bar-foreground%20.%20%22black%22%29%20%28scroll-bar-background%29%20%28menu-bar-lines%20.%200%29%20%28tab-bar-lines%20.%201%29%20%28height%20.%2048%29%20%28tool-bar-lines%20.%200%29%20%28title%29%20%28wait-for-wm%20.%20t%29%20%28tool-bar-position%20.%20top%29%20%28inhibit-double-buffering%29%20%28icon-type%20.%20t%29%20%28auto-raise%29%20%28auto-lower%29%20%28cursor-type%20.%20box%29%20%28scroll-bar-width%20.%2016%29%20%28scroll-bar-height%20.%2016%29%20%28alpha%29%20%28no-focus-on-map%29%20%28no-accept-focus%29%20%28fullscreen%29%20%28visibility%20.%20t%29%20%28skip-taskbar%29%20%28z-group%29%20%28display-type%20.%20color%29%20%28background-mode%20.%20light%29%20%28cursor-color%20.%20%22%23D7AF00%22%29%20%28environment%29%20%28last-focus-update%20.%20t%29%20%28tabs%20%28tab%20%28name%20.%20%22main%22%29%20%28explicit-name%29%20%28time%20.%201606583139.78676%29%20%28ws%20%28%28min-height%20.%204%29%20%28min-width%20.%2035%29%20%28min-height-ignore%20.%203%29%20%28min-width-ignore%20.%2035%29%20%28min-height-safe%20.%201%29%20%28min-width-safe%20.%202%29%20%28min-pixel-height%20.%2084%29%20%28min-pixel-width%20.%20280%29%20%28min-pixel-height-ignore%20.%2063%29%20%28min-pixel-width-ignore%20.%20280%29%20%28min-pixel-height-safe%20.%2021%29%20%28min-pixel-width-safe%20.%2016%29%29%20leaf%20%28pixel-width%20.%201182%29%20%28pixel-height%20.%201011%29%20%28total-width%20.%20147%29%20%28total-height%20.%2048%29%20%28normal-height%20.%201.0%29%20%28normal-width%20.%201.0%29%20%28parameters%20%28better-jumper-struct%29%29%20%28buffer%20%22%2Adoom%2A%22%20%28selected%20.%20t%29%20%28hscroll%20.%200%29%20%28fringes%200%200%20nil%20nil%29%20%28margins%2033%29%20%28scroll-bars%20nil%200%20t%20nil%200%20t%20nil%29%20%28vscroll%20.%200%29%20%28dedicated%29%20%28point%20.%201%29%20%28start%20.%201%29%29%20%28prev-buffers%20%28%22%2Ascratch%2A%22%201%201%29%29%29%29%20%28current-tab%20%28name%20.%20%22emacs_rs%22%29%20%28explicit-name%20.%20t%29%29%29%20%28bufler-workspace-path%20%22emacs_rs%22%29%20%28bufler-workspace-path-formatted%20.%20%23%28%22emacs_rs%22%200%208%20%28face%20outline-1%29%29%29%20%28name%20.%20%23%28%22Workspace%3A%20emacs_rs%22%2011%2019%20%28face%20outline-1%29%29%29%20%28frameset--id%20.%20%22F962-4A16-16C0-C858%22%29%20%28frameset--mini%20t%20.%20t%29%20%28frameset--text-pixel-width%20.%201174%29%20%28frameset--text-pixel-height%20.%201011%29%20%28width%20.%20146%29%20%28modeline%20.%20t%29%20%28unsplittable%29%20%28left%20.%200%29%20%28top%20.%200%29%20%28icon-name%29%20%28display%20.%20%22%3A0%22%29%20%28explicit-name%20.%20t%29%29%20%28%28min-height%20.%204%29%20%28min-width%20.%2010%29%20%28min-height-ignore%20.%204%29%20%28min-width-ignore%20.%203%29%20%28min-height-safe%20.%201%29%20%28min-width-safe%20.%202%29%20%28min-pixel-height%20.%2084%29%20%28min-pixel-width%20.%2080%29%20%28min-pixel-height-ignore%20.%2084%29%20%28min-pixel-width-ignore%20.%2024%29%20%28min-pixel-height-safe%20.%2021%29%20%28min-pixel-width-safe%20.%2016%29%29%20leaf%20%28pixel-width%20.%201182%29%20%28pixel-height%20.%20990%29%20%28total-width%20.%20147%29%20%28total-height%20.%2047%29%20%28normal-height%20.%201.0%29%20%28normal-width%20.%201.0%29%20%28parameters%20%28better-jumper-struct%20.%20%23s%28better-jumper-jump-list-struct%20%280%201%20.%20%5B%28%22%2Fhome%2Fgagbo%2Fdev%2Fperso%2Femacs_rs%2Fsrc%2Flib.rs%22%20765%20%22olfofe%22%29%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%20nil%5D%29%20-1%29%29%20%28burly-url%20.%20%22emacs%2Bburly%2Bbookmark%3A%2F%2Flib.rs%3Ffilename%3D%2522~%252Fdev%252Fperso%252Femacs_rs%252Fsrc%252Flib.rs%2522%26front-context-string%3D%2522%252F%252F%2520%2520the%2520Free%2520Sof%2522%26rear-context-string%3D%2522as%2520published%2520by%250A%2522%26position%3D187%26defaults%3D%2528%2522lib.rs%2522%2529%22%29%29%20%28buffer%20%22lib.rs%22%20%28selected%20.%20t%29%20%28hscroll%20.%200%29%20%28fringes%204%204%20t%20nil%29%20%28margins%20nil%29%20%28scroll-bars%20nil%200%20t%20nil%200%20t%20nil%29%20%28vscroll%20.%200%29%20%28dedicated%29%20%28point%20.%20187%29%20%28start%20.%201%29%29%20%28prev-buffers%20%28%22%2Adoom%2A%22%201%201%29%29%29%29%5D
```

The ~~lisp object~~ string that goes into `read`, manually formatted
```lisp
[frameset 1
(24514 33650 510915 775000)
nil
nil
nil
nil
((
((minibuffer)
(undecorated . t) (override-redirect) (font-parameter . \"-*-Iosevka-semilight-*-*-*-16-*-*-*-*-*-*-*\")
(font . \"-CYEL-Iosevka-normal-normal-normal-*-16-*-*-*-m-0-iso10646-1\") (border-width . 0) (internal-border-width . 1)
(right-divider-width . 1) (bottom-divider-width . 1) (vertical-scroll-bars) (horizontal-scroll-bars)
(foreground-color . \"#303030\") (background-color . \"#E4E4E4\") (mouse-color . \"black\") (border-color . \"black\")
(screen-gamma) (line-spacing . 0) (left-fringe . 4) (right-fringe . 4) (no-special-glyphs . t)
(scroll-bar-foreground . \"black\") (scroll-bar-background) (min-width . 90) (min-height . 10)
(menu-bar-lines . 0) (tab-bar-lines . 0) (height . 18) (tool-bar-lines . 0) (title) (wait-for-wm . t)
(tool-bar-position . top) (inhibit-double-buffering) (icon-type . t) (auto-raise) (auto-lower)
(cursor-type) (scroll-bar-width . 16) (scroll-bar-height . 16) (alpha) (no-focus-on-map) (no-accept-focus . t)
(fullscreen) (visibility) (skip-taskbar) (z-group) (keep-ratio nil)
(posframe-buffer \" *ivy-posframe-buffer*\" . #)
(no-other-frame . t) (desktop-dont-save . t) (display-type . color) (background-mode . light)
(cursor-color . \"#D7AF00\") (posframe-hidehandler)
(posframe-parent-buffer \"*doom*\" . #)
(frameset--id . \"4E95-0F1B-C33C-A509\") (frameset--parent-frame . \"F962-4A16-16C0-C858\")
(frameset--mini nil . \"F962-4A16-16C0-C858\") (frameset--text-pixel-width . 728)
(frameset--text-pixel-height . 378) (name . \"\") (width . 91) (modeline . t) (unsplittable . t)
(left . 218) (top . 0) (icon-name) (display . \":0\") (explicit-name))
((min-height . 4) (min-width . 10) (min-height-ignore . 1) (min-width-ignore . 3) (min-height-safe . 1)
(min-width-safe . 2) (min-pixel-height . 84) (min-pixel-width . 80) (min-pixel-height-ignore . 21)
(min-pixel-width-ignore . 24) (min-pixel-height-safe . 21) (min-pixel-width-safe . 16))
leaf
(last . t) (pixel-width . 744) (pixel-height . 378) (total-width . 93) (total-height . 18) (normal-height . 1.0) (normal-width . 1.0)
(parameters
(mode-line-format . none)
(better-jumper-struct . #s(better-jumper-jump-list-struct (0 0 . [nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil]) -1))
(burly-url . \"emacs+burly+name://? *ivy-posframe-buffer*\"))
(buffer \" *ivy-posframe-buffer*\" (selected) (hscroll . 0) (fringes 4 4 t nil) (margins nil)
(scroll-bars nil 0 t nil 0 t nil) (vscroll . 0) (dedicated . t) (point . 1) (start . 1))
(prev-buffers (\"*scratch*\" 1 1)))
(((minibuffer . t)
(undecorated) (override-redirect) (font . \"-CYEL-Iosevka-normal-normal-normal-*-16-*-*-*-m-0-iso10646-1\")
(border-width . 0) (internal-border-width . 0) (right-divider-width . 1) (bottom-divider-width . 1)
(vertical-scroll-bars) (horizontal-scroll-bars) (foreground-color . \"#303030\") (background-color . \"#EEEEEE\")
(mouse-color . \"black\") (border-color . \"black\") (screen-gamma) (line-spacing) (left-fringe . 4)
(right-fringe . 4) (no-special-glyphs) (scroll-bar-foreground . \"black\") (scroll-bar-background) (menu-bar-lines . 0)
(tab-bar-lines . 1) (height . 48) (tool-bar-lines . 0) (title) (wait-for-wm . t)
(tool-bar-position . top) (inhibit-double-buffering) (icon-type . t) (auto-raise) (auto-lower)
(cursor-type . box) (scroll-bar-width . 16) (scroll-bar-height . 16) (alpha) (no-focus-on-map)
(no-accept-focus) (fullscreen) (visibility . t) (skip-taskbar) (z-group) (display-type . color)
(background-mode . light) (cursor-color . \"#D7AF00\") (environment) (last-focus-update . t)
(tabs (tab (name . \"main\") (explicit-name) (time . 1606583139.78676)
(ws ((min-height . 4) (min-width . 35) (min-height-ignore . 3) (min-width-ignore . 35)
(min-height-safe . 1) (min-width-safe . 2) (min-pixel-height . 84) (min-pixel-width . 280)
(min-pixel-height-ignore . 63) (min-pixel-width-ignore . 280) (min-pixel-height-safe . 21)
(min-pixel-width-safe . 16))
leaf
(pixel-width . 1182) (pixel-height . 1011) (total-width . 147) (total-height . 48)
(normal-height . 1.0) (normal-width . 1.0) (parameters (better-jumper-struct))
(buffer \"*doom*\" (selected . t) (hscroll . 0) (fringes 0 0 nil nil)
(margins 33) (scroll-bars nil 0 t nil 0 t nil) (vscroll . 0)
(dedicated) (point . 1) (start . 1))
(prev-buffers (\"*scratch*\" 1 1))))
(current-tab (name . \"emacs_rs\") (explicit-name . t)))
(bufler-workspace-path \"emacs_rs\")
(bufler-workspace-path-formatted . #(\"emacs_rs\" 0 8 (face outline-1)))
(name . #(\"Workspace: emacs_rs\" 11 19 (face outline-1)))
(frameset--id . \"F962-4A16-16C0-C858\")
(frameset--mini t . t) (frameset--text-pixel-width . 1174) (frameset--text-pixel-height . 1011)
(width . 146) (modeline . t) (unsplittable) (left . 0) (top . 0) (icon-name)
(display . \":0\") (explicit-name . t))
((min-height . 4) (min-width . 10) (min-height-ignore . 4) (min-width-ignore . 3) (min-height-safe . 1)
(min-width-safe . 2) (min-pixel-height . 84) (min-pixel-width . 80) (min-pixel-height-ignore . 84)
(min-pixel-width-ignore . 24) (min-pixel-height-safe . 21) (min-pixel-width-safe . 16))
leaf
(pixel-width . 1182) (pixel-height . 990) (total-width . 147) (total-height . 47) (normal-height . 1.0) (normal-width . 1.0)
(parameters
(better-jumper-struct . #s(better-jumper-jump-list-struct (0 1 . [(\"/home/gagbo/dev/perso/emacs_rs/src/lib.rs\" 765 \"olfofe\") nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil]) -1))
(burly-url . \"emacs+burly+bookmark://lib.rs?filename=%22~%2Fdev%2Fperso%2Femacs_rs%2Fsrc%2Flib.rs%22&front-context-string=%22%2F%2F%20%20the%20Free%20Sof%22&rear-context-string=%22as%20published%20by%0A%22&position=187&defaults=%28%22lib.rs%22%29\"))
(buffer \"lib.rs\" (selected . t) (hscroll . 0) (fringes 4 4 t nil) (margins nil)
(scroll-bars nil 0 t nil 0 t nil) (vscroll . 0) (dedicated)
(point . 187) (start . 1)) (prev-buffers (\"*doom*\" 1 1))))]

```